Apposition image in eye of insects is formed in :

Apposition image in eye of insects is formed in :
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Apposition image in eye of insects is formed in : A. Dim light B. Bright Light C. ocelli D. None
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In which olympics tommie smith and john carlos shoe there apposition for racial discrimination -SST 10th

Description : In which olympics tommie smith and john carlos shoe there apposition for racial discrimination -SST 10th

Last Answer : 'This answer was deleted by our moderators...

.Addition of new cell wall particles amongst the existing ones is (a) deposition (b) apposition (c) intussusception (d) aggregation

Description : .Addition of new cell wall particles amongst the existing ones is (a) deposition (b) apposition (c) intussusception (d) aggregation

Last Answer : (c) intussusception

.The places for newly erupted mandibular molars are created by: A. Resorption of anterior ramus and apposition posteriorly B. Apposition of alveolar process C. Apposition of inferior boarder of mandible

Description : .The places for newly erupted mandibular molars are created by: A. Resorption of anterior ramus and apposition posteriorly B. Apposition of alveolar process C. Apposition of inferior boarder of mandible

Last Answer : A. Resorption of anterior ramus and apposition posteriorly

What is meant by apposition and intussusception?

Description : What is meant by apposition and intussusception? 

Last Answer : Ans: Apposition is increase in thickness of the cell wall due to deposition of cellulose fibrils one upon the other to form the frame work. Intussusception is increase in the area of the cell wall due to deposition of non-cellulose cell wall materials between cellulose fibrils. 

Where is the image of an object formed in the human eye? -General Knowledge

Description : Where is the image of an object formed in the human eye? -General Knowledge

Last Answer : answer:

Where is the image formed in the eye ?

Description : Where is the image formed in the eye ?

Last Answer : The image is formed in the retina of the eye.

The image of an object formed on the retina of the eye is - (1) virtual and upright (2) virtual and inverted (3) real and inverted (4) Real and upright

Description : The image of an object formed on the retina of the eye is - (1) virtual and upright (2) virtual and inverted (3) real and inverted (4) Real and upright

Last Answer : (3) real and inverted Explanation: Although the image is inverted the mental interpretation of the effect on the retina is as though it is erect.

How is image formed on the retina of a human eye?

Description : How is image formed on the retina of a human eye?

Last Answer : Real and inverted

The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Description : The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope

Last Answer : (A) In the plane of cross hairs

Image of object is formed on which part of eye?

Description : Image of object is formed on which part of eye?

Last Answer : Retina

The following are true about the Troxler's phenomenon: a. it refers to disappearance of an image during steady fixation of another object b. it only occurs in the peripheral retina c. eye movement eliminates this phenomenon d. movement of the object eliminates this phenomenon

Description : The following are true about the Troxler's phenomenon: a. it refers to disappearance of an image during steady fixation of another object b. it only occurs in the peripheral retina c. eye movement eliminates this phenomenon d. movement of the object eliminates this phenomenon

Last Answer : movement of the object eliminates this phenomenon

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Description : While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Last Answer : (C) Said to have parallax

The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescopes (A) Resolving power (B) Brightness (C) Field of view (D) Magnification

Description : The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescopes (A) Resolving power (B) Brightness (C) Field of view (D) Magnification

Last Answer : (D) Magnification

Which of the following is NOT true?Image formed by reflection through a plane mirror is a.of same size b.same orientation c.is at same distance from the mirror d.virtual

Description : Which of the following is NOT true?Image formed by reflection through a plane mirror is a.of same size b.same orientation c.is at same distance from the mirror d.virtual

Last Answer : b.same orientation

15. An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object is formed on the screen. What is the focal length of the conve -Chemistry-10

Description : 15. An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object is formed on the screen. What is the focal length of the conve -Chemistry-10

Last Answer : Since, object-screen distance is double of object-lens separation, the object is at a distance of 2f from the lens and the image should be of the same size of the object.

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.

2. An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. [All India] -Chemistry-10

Description : 2. An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. [All India] -Chemistry-10

Last Answer : this is the answer for the respected question

1. A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. [Delhi] -Chemistry-10

Description : 1. A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. [Delhi] -Chemistry-10

Last Answer : Answer. hope this helps youu

10. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed. -Physics-10

Description : 10. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed. -Physics-10

Last Answer : Height of the Object, h0 = 5 cm Distance of the object from converging lens, u = -25 cm Focal length of a converging lens, f = 10 cm Using lens formula, Thus, the image is inverted and formed at a distance of 16.7 cm behind the lens and measures 3.3 cm. The ray diagram is shown below.

2. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object? -Physics-10

Description : 2. The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object? -Physics-10

Last Answer : (d) The position of the object should be between the pole of the mirror and its principal focus.

A convex lens has a focal length of 10 cm. At what distance from the lens should the object be placed so that it forms a real and inverted image 20 cm away from the lens? What would be the size of the image formed if the object is 2 cm high? With the help of a ray diagram show the formation of the image by the lens in this case. -Physics

Description : A convex lens has a focal length of 10 cm. At what distance from the lens should the object be placed so that it forms a real and inverted image 20 cm away from the lens? What would be the size of ... ? With the help of a ray diagram show the formation of the image by the lens in this case. -Physics

Last Answer : This is the Answe:

An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object is formed on the screen. What is the focal length of the convex lens and size of the image formed on the screen? Draw a ray diagram to show the formation of the image in this position of the object with respect to the lens. -Physics

Description : An object 2 cm high is placed at a distance of 64 cm from a white screen. On placing a convex lens at a distance of 32 cm from the object it is found that a distinct image of the object ... diagram to show the formation of the image in this position of the object with respect to the lens. -Physics

Last Answer : Since, object-screen distance is double of object-lens separation, the object is at a distance of 2f from the lens and the image should be of the same size of the object.

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 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. -Physics

Description : An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens. -Physics

Last Answer : The focal length' of convex length is 7.14 cm. Solution: The given quantities are Height of the object h = 50 cm Height of the image formed h' = -20 cm Image distance v = 10 cm The image ... object distance will be So the focal length will be Thus the focal length of the convex lens is 7.14 cm

A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Description : A concave lens has focal length of 20 cm. At what distance from the lens a 5 cm tall object be placed so that it forms an image at 15 cm from the lens? Also calculate the size of the image formed. -Physics

Last Answer : Answer. I hope it helped you.

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.

How many image will be formed if two mirrors are fitted adjacent walls and one mirror on ceiling? -Do You Know?

Description : How many image will be formed if two mirrors are fitted adjacent walls and one mirror on ceiling? -Do You Know?

Last Answer : answer:

Where is the image formed in the plane mirror ?

Description : Where is the image formed in the plane mirror ?

Last Answer : The image is formed behind a plane mirror.

A magnified virtual image can be formed by a ______.

Description : A magnified virtual image can be formed by a ______.

Last Answer : A magnified virtual image can be formed by a ______. A. plane mirror B. concave mirror C. convex mirror D. All the above.

The image of an object formed on the outer surfce of a spoon is alwarys _____.

Description : The image of an object formed on the outer surfce of a spoon is alwarys _____.

Last Answer : The image of an object formed on the outer surfce of a spoon is alwarys _____. A. erect B. virtual C. inverted D. Both (a) and (b)

The size of an image formed by a plane mirror is _____.

Description : The size of an image formed by a plane mirror is _____.

Last Answer : The size of an image formed by a plane mirror is _____. A. larger than the size of the object. ... the size of the object. D. Cannot be determined.

Image formed by a convex mirror is _____

Description : Image formed by a convex mirror is _____

Last Answer : Image formed by a convex mirror is _____ A. virtual B. erect C. smaller in size than the object D. All the above.

The image of an object formed by the inner surface of a spoon, when it is placed very close to is is ______ and _____.

Description : The image of an object formed by the inner surface of a spoon, when it is placed very close to is is ______ and _____.

Last Answer : The image of an object formed by the inner surface of a spoon, when it is placed very close to is is ______ and _____.

Real image is formed by a ______ mirror.

Description : Real image is formed by a ______ mirror.

Last Answer : Real image is formed by a ______ mirror.

The image formed by a plane mirror is ______ in nature.

Description : The image formed by a plane mirror is ______ in nature.

Last Answer : The image formed by a plane mirror is ______ in nature.

Ray coming from an object situated at infinity, fall on a convex lens and an image is formed at a distance of 16 cm from the lens. When a concave lens

Description : Ray coming from an object situated at infinity, fall on a convex lens and an image is formed at a distance of 16 cm from the lens. When a concave lens

Last Answer : Ray coming from an object situated at infinity, fall on a convex lens and an image is formed ... . Calculate the focal length of the concave lens.

When a slide is placed 15 cm behind the lens in a projector, an image is formed at 3 infront of the lens. (i) Show the image formation by a ray diagra

Description : When a slide is placed 15 cm behind the lens in a projector, an image is formed at 3 infront of the lens. (i) Show the image formation by a ray diagra

Last Answer : When a slide is placed 15 cm behind the lens in a projector, an image is formed at 3 infront ... (iv) Determine the magnification for the case (iii).

A convex lens of focal length 30 cm is placed between a screen and a square plate of area `4cm^(2)`. The image of the plate formed on the screen is `1

Description : A convex lens of focal length 30 cm is placed between a screen and a square plate of area `4cm^(2)`. The image of the plate formed on the screen is `1

Last Answer : A convex lens of focal length 30 cm is placed between a screen and a square plate of area ... Calculate the distance between the plate and the screen.

An object is placed `50 cm` from the surface of a glass sphere of radius `10 cm` along the diameter. Where will the final image be formed after refrac

Description : An object is placed `50 cm` from the surface of a glass sphere of radius `10 cm` along the diameter. Where will the final image be formed after refrac

Last Answer : An object is placed `50 cm` from the surface of a glass sphere of radius `10 cm` along the diameter. ... both the surfaces ? `mu` of glass `=1.5`.

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.

What Is concave mirror complete the given ray diagram and also write its one charactertis of the formed image?

Description : What Is concave mirror complete the given ray diagram and also write its one charactertis of the formed image?

Last Answer : Concave mirror is that spherical mirror in which the reflectionof light takes place in the bent-in surface(also called concavesurface).

he image formed by a plane mirror is always

Description : he image formed by a plane mirror is always

Last Answer : virtual and erect

An image formed by a plane mirror, that cannot be obtained on a screen is called

Description : An image formed by a plane mirror, that cannot be obtained on a screen is called

Last Answer : Virtual image

Three dimensional image formed by laser is called _____. A. Photograph B. Hologram C. Two dimensional sketch D. Photocopy

Description : Three dimensional image formed by laser is called _____. A. Photograph B. Hologram C. Two dimensional sketch D. Photocopy

Last Answer : ANSWER: B

The image of an object formed in a plane mirror (a) is real (b) is virtual (c) can be obtained on screen (d) is slightly shorter than the object

Description : The image of an object formed in a plane mirror (a) is real (b) is virtual (c) can be obtained on screen (d) is slightly shorter than the object

Last Answer : Ans:(b)

When we see an object, the image formed on the retina is – (1) Real and inverted (2) Real and erect (3) Virtual and erect (4) Virtual and inverted

Description : When we see an object, the image formed on the retina is – (1) Real and inverted (2) Real and erect (3) Virtual and erect (4) Virtual and inverted

Last Answer : (1) Real and inverted Explanation: The retina is the thin lightsensitive membrane lining the inner eyeballtowards the back of the eye. As our eye lens are convex in nature, they form mostly real ... message sent by the optic nerve are chemical impulses which turn them into erect images that we see.

An object is placed on the principal axis of a convex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed? (1) 20 cm (2) 15 cm (3) 30 cm (4) 10 cm

Description : An object is placed on the principal axis of a convex lens of focal length 10 cm. If the distance of the object from the lens is 30 cm, what is the distance of the image formed? (1) 20 cm (2) 15 cm (3) 30 cm (4) 10 cm

Last Answer : (2) 15 cm

The real image formed by a spherical mirror is ____ relative to its object a. Erect b. Inverted c. Smaller d. Larger

Description : The real image formed by a spherical mirror is ____ relative to its object a. Erect b. Inverted c. Smaller d. Larger

Last Answer : d. Larger