An object is placed in front of a mirror. Arrange the following steps in sequential order to determine the nature of the mirror. (A) Check whether the

An object is placed in front of a mirror. Arrange the following steps in sequential order to determine the nature of the mirror. (A) Check whether the
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An object is placed in front of a mirror. Arrange the following steps in sequential order to determine the nature ... A. ACBD B. BDCA C. ACDB D. BADC
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14. An object 2 cm in size is placed 30 cm in front of a concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? What will be the nature and the size of the -Chemistry-10

Description : 14. An object 2 cm in size is placed 30 cm in front of a concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? What will be the nature and the size of the -Chemistry-10

Last Answer : Answer. hope this helps you

15. An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed so that a sharply focused image can be obtained? Find the size and nature of the image. -Physics-10

Description : 15. An object of size 7.0 cm is placed at 27 cm in front of a concave mirror of focal length 18 cm. At what distance from the mirror should a screen be placed so that a sharply focused image can be obtained? Find the size and nature of the image. -Physics-10

Last Answer : Object distance (u) = – 27 cm Object height (h) = 7 cm Focal length (f) = – 18 cm According to the mirror formula, The negative value of image height indicates that the image formed is inverted.

14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10

Description : 14. An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image. -Physics-10

Last Answer : Object distance (u) = - 20 cm Object height (h) = 5 cm Radius of curvature (R) = 30 cm Radius of curvature = 2 Focal length R = 2f f = 15 cm According to the mirror formula, ... image height indicates that the image formed is erect. Hence, the image formed is erect, virtual, and smaller in size.

Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: (i) at the centre of curvature of a concave mirror (ii) between the pole P and focus F of a concave mirror (iii) in front of a convex mirror (iv) at 2F of a convex lens (v) in front of a concave lens -Physics

Description : Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: (i) at the centre of curvature of a concave mirror (ii) between the pole P and focus F of ... front of a convex mirror (iv) at 2F of a convex lens (v) in front of a concave lens -Physics

Last Answer : Answer. Nature of image: Real, inverted and same size image is formed at the centre of curvature. Nature of image: Virtual, enlarged and erect image is formed behind the mirror. Nature of image: Virtual ... : Virtual, erect and diminished image is formed between O and F on the same side of object.

An object is placed in front of a concave mirror of radius of curvature `40 cm` at a distance of `10 cm`. Find the position, nature and magnification

Description : An object is placed in front of a concave mirror of radius of curvature `40 cm` at a distance of `10 cm`. Find the position, nature and magnification

Last Answer : An object is placed in front of a concave mirror of radius of curvature `40 cm` at a ... Find the position, nature and magnification of the image.

2. A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located? -Physics-10

Description : 2. A concave mirror produces three times magnified (enlarged) real image of an object placed at 10 cm in front of it. Where is the image located? -Physics-10

Last Answer : Magnification produced by a spherical mirror: Object distance (u) = – 10 cm v = 3 × (- 10) = – 30 cm Therefore, the negative sign indicates that an inverted image is formed in front of the given concave mirror at a distance of 30 cm.

An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. -Science

Description : An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. -Science

Last Answer : Here, radius of curvature of concave mirror, R = 30 cm. Therefore, focal length of the mirror, f = R/2 = 30/2 = 15 cm Also, object distance, u = 12 cm Hence, knowing the focal length of mirror and ... (i) Erect (ii) Larger in size than that of the object (iii) Virtual and (iv) Behind the mirror.

A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images. -Science

Description : A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images. -Science

Last Answer : For magnified and erect image the object is placed between pole P and focus F. For magnified and inverted image the object is placed either at focus or anywhere between F and C.

Find the position of an object which when placed in front of a concave mirror of focal length 20 cm, produces a virtual image which is twice the size

Description : Find the position of an object which when placed in front of a concave mirror of focal length 20 cm, produces a virtual image which is twice the size

Last Answer : Find the position of an object which when placed in front of a concave mirror of focal length 20 cm ... image which is twice the size of the object.

12. An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image. -Physics-10

Description : 12. An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image. -Physics-10

Last Answer : Focal length of convex mirror (f) = +15 cm Object distance (u) = - 10 cm According to the mirror formula, The image is located at a distance of 6 cm from the mirror on the other ... and a value of less than 1 of magnification indicates that the image formed is virtual and erect and diminished.

Find the size, nature and position of image formed by a concave mirror, when an object of size 1 cm is placed at a distance of 15 cm. Given focal leng

Description : Find the size, nature and position of image formed by a concave mirror, when an object of size 1 cm is placed at a distance of 15 cm. Given focal leng

Last Answer : Find the size, nature and position of image formed by a concave mirror, when an object of size 1 cm ... 15 cm. Given focal length of mirror is 10 cm.

An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of curvature 0.4 m. find the position, nature and the size of t

Description : An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of curvature 0.4 m. find the position, nature and the size of t

Last Answer : An object 0.04 m high is placed at a distance of 0.8 m from a concave mirror of radius of ... the position, nature and the size of the image formed.

At what distance must an object be placed from mirror in order that a real image double its size may be obtained? (a) -24 cm (b) 32 cm (c) -40 cm (d) 45 cm

Description : At what distance must an object be placed from mirror in order that a real image double its size may be obtained? (a) -24 cm (b) 32 cm (c) -40 cm (d) 45 cm

Last Answer : (a) -24 cm

Write the following steps in sequential order to verify the laws of reflection. (A) Draw a normal at the point where the two lines PQ and `P_(1)Q_(1)`

Description : Write the following steps in sequential order to verify the laws of reflection. (A) Draw a normal at the point where the two lines PQ and `P_(1)Q_(1)`

Last Answer : Write the following steps in sequential order to verify the laws of reflection. (A) Draw a normal at the ... A. DABECF B. ACDBFE C. DECBAF D. DBACEF

A concave lens focal length 10 cm is placed on the axis of concave mirror of 10 cm radius at a distance of 5 cm from the mirror. An object is placed s

Description : A concave lens focal length 10 cm is placed on the axis of concave mirror of 10 cm radius at a distance of 5 cm from the mirror. An object is placed s

Last Answer : A concave lens focal length 10 cm is placed on the axis of concave mirror of 10 cm radius ... the object itself. Determine the position of the object.

An object of `1cm^(2)` face area is placed at a distance of 1.5m from a screen. How far from the object should a concave mirror be placed so that it f

Description : An object of `1cm^(2)` face area is placed at a distance of 1.5m from a screen. How far from the object should a concave mirror be placed so that it f

Last Answer : An object of `1cm^(2)` face area is placed at a distance of 1.5m from a screen. How ... the screen? Also, calculate the focal length of the mirror.

A convex mirror produces a magnification of `1//2` when the object is placed at a position A and a magnification of `1//3` when the object is at a pos

Description : A convex mirror produces a magnification of `1//2` when the object is placed at a position A and a magnification of `1//3` when the object is at a pos

Last Answer : A convex mirror produces a magnification of `1//2` when the object is placed at a position A and a ... cm, what is the focal length of the mirror ?

When an object is placed at a distance of `60 cm` from a convex spherical mirror, the magnification produced is `1//2`. Where should the object be pla

Description : When an object is placed at a distance of `60 cm` from a convex spherical mirror, the magnification produced is `1//2`. Where should the object be pla

Last Answer : When an object is placed at a distance of `60 cm` from a convex spherical mirror, the magnification ... placed to get a magnification of `1//3` ?

A concave mirror forms a real image four times as tall as the object placed 10 cm infront of mirror. Find the position of the image and the radius of

Description : A concave mirror forms a real image four times as tall as the object placed 10 cm infront of mirror. Find the position of the image and the radius of

Last Answer : A concave mirror forms a real image four times as tall as the object placed 10 cm infront of ... image and the radius of curvature of the mirror.

A convex mirror and a concave mirror of radius 10cm each are placed 15cm apart facing each other. An object is placed midway between them. If the refl

Description : A convex mirror and a concave mirror of radius 10cm each are placed 15cm apart facing each other. An object is placed midway between them. If the refl

Last Answer : A convex mirror and a concave mirror of radius 10cm each are placed 15cm apart facing each other ... convex mirror, the position of the final image is

An object is placed at a distance of 15 cm from a convex mirror and images is formed at a distance of 5 cm from the mirror. Calculate the radius of cu

Description : An object is placed at a distance of 15 cm from a convex mirror and images is formed at a distance of 5 cm from the mirror. Calculate the radius of cu

Last Answer : An object is placed at a distance of 15 cm from a convex mirror and images is formed at a ... mirror. Calculate the radius of curvature of the mirror.

An object is placed at a distance equal to the focal length of convex mirror. If the focal length of the mirror be f, then the distance of the image from the pole of the mirror is (a) Less than f (b) Equal of f (c) More than f (d) Infinity

Description : An object is placed at a distance equal to the focal length of convex mirror. If the focal length of the mirror be f, then the distance of the image from the pole of the mirror is (a) Less than f (b) Equal of f (c) More than f (d) Infinity

Last Answer : Ans:(a)

The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image? (a) infinity (b) 30 cm (c) Between 16 cm and 30 cm (d) Between 0 cm and 15 cm

Description : The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image? (a) infinity (b) 30 cm (c) Between 16 cm and 30 cm (d) Between 0 cm and 15 cm

Last Answer : (d) Between 0 cm and 15 cm

An object is placed at focus of a concave mirror, image will be formed at : (a) focus (b) between F and C (c) beyond C (d) at infinity

Description : An object is placed at focus of a concave mirror, image will be formed at : (a) focus (b) between F and C (c) beyond C (d) at infinity

Last Answer : (d) at infinity

To create an enlarged real image using a concave mirror, the object must be placed: w) beyond the center of curvature. x) between the center and the focus. y) at the focus. z) closer than the focus.

Description : To create an enlarged real image using a concave mirror, the object must be placed: w) beyond the center of curvature. x) between the center and the focus. y) at the focus. z) closer than the focus.

Last Answer : ANSWER: X -- BETWEEN THE CENTER AND THE FOCUS.

The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Is the image of this object real or virtual?

Description : The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Is the image of this object real or virtual? 

Last Answer : ANSWER: REAL

The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed?

Description : The focal length of a concave mirror is 2 meters. An object is positioned 8 meters in front of the mirror. Where is the image of this object formed?

Last Answer : ANSWER: 8/3 METER or 2.66 METERS IN FRONT OF THE MIRROR

Arrange the following Steps of selling process in a proper order in order to help the sales man ? o I. Approach o II. Presentation and demonstration o III. Prospecting and qualifying o IV. Closing sales and follow-up o V. Handling objectives 1. II, III, I, V, IV 2. I, II, III, IV, V 3. I, II, V, III, IV 4. II, I, III, V, IV 5. None of these

Description : Arrange the following Steps of selling process in a proper order in order to help the sales man ? o I. Approach o II. Presentation and demonstration o III. Prospecting and qualifying o IV. Closing sales and follow-up o V. ... 3. I, II, V, III, IV 4. II, I, III, V, IV 5. None of these

Last Answer : I, II, III, IV, V

3. Where should an object be placed in front of a convex lens to get a real image of the size of the object? -Physics-10

Description : 3. Where should an object be placed in front of a convex lens to get a real image of the size of the object? -Physics-10

Last Answer : (b) The object should be placed at twice the focal length

2. A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? -Physics-10

Description : 2. A convex lens forms a real and inverted image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex lens if the image is equal to the size of the object? -Physics-10

Last Answer : The position of the image should be at 2F since the image is the real and same size. It is given that the image of the needle is formed at a distance of 50 cm from the convex lens. Therefore, the needle is ... (u) = - 50 cm Image distance, (v) = 50 cm Focal length = f According to the lens formula,

An object is placed beyond 2F, in front of a convex lens, image will be formed : (a) between F and 2F (b) at focus (c) at the centre of curvature (d) between focus and Optical centre

Description : An object is placed beyond 2F, in front of a convex lens, image will be formed : (a) between F and 2F (b) at focus (c) at the centre of curvature (d) between focus and Optical centre

Last Answer : (a) between F and 2F

When object is placed _______ in front of convex lens than image formed is virtual, erect, magnified and on same side beyond F . a) between optical centre and F b)At F c)between F and 2F d)2F

Description : When object is placed _______ in front of convex lens than image formed is virtual, erect, magnified and on same side beyond F . a) between optical centre and F b)At F c)between F and 2F d)2F

Last Answer : a) between optical centre and F

Internal auditors review the adequacy of the company's internal control system primarily to a. Help determine the nature, timing, and extent of tests necessary to achieve audit objectives. b. Determine whether the internal control system ensures that financial statements are fairly presented. c. Determine whether the internal control system provides reasonable assurance that the company's objectives and goals are met efficiently and economically. d. Ensure that material weaknesses in the system of internal control are corrected

Description : Internal auditors review the adequacy of the company's internal control system primarily to a. Help determine the nature, timing, and extent of tests necessary to achieve audit objectives. b. ... and economically. d. Ensure that material weaknesses in the system of internal control are corrected

Last Answer : Determine whether the internal control system provides reasonable assurance that the company's objectives and goals are met efficiently and economically.

rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the refl

Description : rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what angle should be a second plane mirror be placed in order that the refl

Last Answer : rays of light strike a horizontal plane mirror at an angle of `45^(@)`. At what ... ray finally be reflected horizontally from the second mirror.

A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a small cavity in order to get a virtual image magnified

Description : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a small cavity in order to get a virtual image magnified

Last Answer : A dentist concave mirror has a radius of curvature of `30 cm`. How far must it be placed from a ... order to get a virtual image magnified `5` times ?

A candle flame 2 cm high is palced at distance of 2 metere from a wall. How far from the wall must a concave mirror to placed in order to form an imag

Description : A candle flame 2 cm high is palced at distance of 2 metere from a wall. How far from the wall must a concave mirror to placed in order to form an imag

Last Answer : A candle flame 2 cm high is palced at distance of 2 metere from a wall. How far from the wall must ... an images of the flame 6 cm high on the wall ?

A wealthy wise old woman feared that her daughter was lazy and as a result rather stupid. When the old woman died, her will stipulated that her assets were to be liquidated and a check was to be written for the full amount. The check was to be placed in one of three envelopes. The other two envelopes would contain a blank piece of paper. If the daughter could determine from the writing on the envelope which envelope contained the check, she would inherit her mother's fortune. Otherwise, the fortune would go to the old woman's favorite charity for animals. The daughter was not allowed to touch the envelopes. Her decision had to be made based on the writing on the envelopes. The daughter was told that only one envelope had a true statement and that the other two statements were false. The en

Description : A wealthy wise old woman feared that her daughter was lazy and as a result rather stupid. When the old woman died, her will stipulated that her assets were to be liquidated and a check was to be ... only one envelope had a true statement and that the other two statements were false. The en -Riddles

Last Answer : The daughter should pick envelope 1. Unfortunately she picked envelope 3. Statements 1 and 2 were false, and the only true statement was statement 3. If the check was in envelope 1, that would make statement 1 ... both be true. If the check was in envelope 3, statements 1 and 3 would both be true.

12. Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed: -Chemistry-10

Description : 12. Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed: -Chemistry-10

Last Answer : Answer. hope this helps you

3. Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: -Chemistry-10

Description : 3. Draw the ray diagram in each case to show the position and nature of the image formed when the object is placed: -Chemistry-10

Last Answer : Answer. Nature of image: Real, inverted and same size image is formed at the centre of curvature. Nature of image: Virtual, enlarged and erect image is formed behind the mirror. Nature of image: ... image: Virtual, erect and diminished image is formed between O and F on the same side of object.

The sequential steps in the conversion of tyrosine to epinephrine are (A) Ring hydroxylation-decarboxylation-side chain hydroxylation-N-methylation (B) Side chain hydroxylation-decarboxylation-ring hydroxylation N-methylation (C) Decarboxylation-ring hydroxylation-side chain hydroxylation-N-methylation (D) N-methylation-decarboxylation-ring and side chain hydroxylation

Description : The sequential steps in the conversion of tyrosine to epinephrine are (A) Ring hydroxylation-decarboxylation-side chain hydroxylation-N-methylation (B) Side chain hydroxylation-decarboxylation- ... chain hydroxylation-N-methylation (D) N-methylation-decarboxylation-ring and side chain hydroxylation

Last Answer : Answer : A

The fatty acid synthase complex catalyses (A) 4 sequential enzymatic steps (B) 6 sequential enzymatic steps (C) 7 sequential enzymatic steps (D) 8 sequential enzymatic steps

Description : The fatty acid synthase complex catalyses (A) 4 sequential enzymatic steps (B) 6 sequential enzymatic steps (C) 7 sequential enzymatic steps (D) 8 sequential enzymatic steps

Last Answer : Answer : B

Name the sequential steps involved in extraction of copper from its copper pyrite ore.

Description : Name the sequential steps involved in extraction of copper from its copper pyrite ore.

Last Answer : sequential steps involved in extraction of copper from its copper pyrite ore

A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards: (a) Convex, Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plan

Description : A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The ... , Plane, Concave (b) Plane, Convex, Concave (c) Concave, Plane, Convex (d) Convex, Concave, Plan

Last Answer : (c) Concave, Plane, Convex

You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not sure whether you qualify, so they decide to give you all a test. Through its universal translator, the alien guarding you tells you the following: You will be placed in a single-file line facing forward in size order so that each of you can see everyone lined up ahead of you. You will not be able to look behind you or step out of line. Each of you will have either a black or a white hat on your head assigned randomly, and I won't tell you how many of each color there are.When I say to begin, each of you must guess the color of your hat starting with the perso

Description : You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. ... , each of you must guess the color of your hat starting with the perso -Riddles

Last Answer : Let's see how it would play out if the hats were distributed like this. The tallest captive sees three black hats in front of him, so he says 'black,' telling everyone else he sees an odd ... go. It looks like these aliens will have to go hungry, or find some less logical organisms to abduct.

Arrange the following steps to form a basic Engineering Process Model.i. Test ii. Design iii. Install iv. Specification v. Manufacture vi. Maintain a) 2, 4, 5, 1, 6, 3 b) 4, 2, 5, 1, 3, 6 c) 2, 4, 5, 1, 3, 6 d) 4, 2, 5, 1, 6, 3

Description : Arrange the following steps to form a basic Engineering  Process Model. i. Test ii. Design iii. Install iv. Specification v. Manufacture vi. Maintain a) 2, 4, 5, 1, 6, 3 b) 4, 2, 5, 1, 3, 6 c) 2, 4, 5, 1, 3, 6 d) 4, 2, 5, 1, 6, 3

Last Answer : a) 2, 4, 5, 1, 6, 3

Arrange the steps involved in Energy Management strategy A- Set up energy monitoring and reporting system B- Appoint energy management C- Conduct energy audit D- Identify the strategic corporate approach a) D – B – A - C b) A - B – C – D c) D – A – B – C d) C – A – B – C

Description : Arrange the steps involved in Energy Management strategy A- Set up energy monitoring and reporting system B- Appoint energy management C- Conduct energy audit D- Identify the strategic corporate approach a) D – B – A - C b) A - B – C – D c) D – A – B – C d) C – A – B – C

Last Answer : D – B – A - C

Arrange the following steps of research in correct sequence: 1. Identification of research problem 2. Listing of research objectives 3. Collection of data 4. Methodology 5. Data analysis 6. Results and discussion (A) 1 – 2 – 3 – 4 – 5 – 6 (B) 1 – 2 – 4 – 3 – 5 – 6 (C) 2 – 1 – 3 – 4 – 5 – 6 (D) 2 – 1 – 4 – 3 – 5 – 6

Description : Arrange the following steps of research in correct sequence: 1. Identification of research problem 2. Listing of research objectives 3. Collection of data 4. Methodology 5. Data analysis 6. Results and discussion (A) 1 - 2 - 3 - 4 - 5 - ... C) 2 - 1 - 3 - 4 - 5 - 6 (D) 2 - 1 - 4 - 3 - 5 - 6

Last Answer : Answer: B

If you come across to teach a blind student along with the normal students what type of behaviour you are expected to exhibit? Options: A) Take care of him with sympathy B) Don't give any extra attention because majority of students may, suffer C) Arrange the seat in the front row and try to keep your teaching pace according to him without making the other students suffer D) none of the above

Description : If you come across to teach a blind student along with the normal students what type of behaviour you are expected to exhibit? Options: A) Take care of him with sympathy B) Don't give any ... to keep your teaching pace according to him without making the other students suffer D) none of the above

Last Answer : C) Arrange the seat in the front row and try to keep your teaching pace according to him without making the other students suffer

If you get an opportunity to teach a visually challenged student along with normal students, what type of treatment would you like to give him in the class ? (A) Not giving extra attention because majority may suffer. (B) Take care of him sympathetically in the class- room. (C) You will think that blindness is his destiny and hence you cannot do anything. (D) Arrange a seat in the front row and try to teach at a pace convenient to him.

Description : If you get an opportunity to teach a visually challenged student along with normal students, what type of treatment would you like to give him in the class ? (A) Not giving extra attention because majority may ... (D) Arrange a seat in the front row and try to teach at a pace convenient to him.

Last Answer : (D) Arrange a seat in the front row and try to teach at a pace convenient to him.