1. The focal length of a convex lens is 50 cm. what is its power?

2. Among the Indian languages, which one is spoken maximum in the world after Hindi?

3. Which formulates fiscal policy?

4. The Karakoram Highway connects which pair of countries?

5. Who was the Governor General tomerge Sindh in British India?

6. Which part of the pitcher plant becomes modified’ into a pitcher?

7. Who is a legal advisor of the State Government as provided by the Constitution?

8. Which pair of metals constitutes the lightest metal and the heaviest metal, respectively?

9. On which river is located Indo- Pak Bagalihar Project?

10. In what commodity the English first conducted trade from India ?

11. Which country is the leading producer of uranium?

12. The Pacific Islands from New Guinea south east-wards to the Fiji Islands’ what is this group called?

13. Which part of the pitcher plant becomes modified into a pitcher?

14. To a space traveller on moon, how does the lunar sky during day time appear?

15. In which veda is the famous Vedic saying “War begins in the minds of men" stated?

16. Who appoints the Governor of Jammu and Kashmir?

17. Energy transferred to a person through gamma rays is measured in by which unit?

18. In which plan was the growth rate of agricultural production negative?

19. What is distance between the Earth and the Sun (in million kms.)?

20. Upanishads, also known as the Vedantas, are How many are these upanishads?

1 Answer

Answer :

Answer : 1. +2 D 2. Bengali 3. Finance Ministry 4. China-Pakistan5. **** Ellenborough 6. Leaf 7. Advocate General 8. Lithium and osmium 9. Chenab 10. Indigo 11. Canada 12. The Mellanesia 13. Leaf 14. Black 15. Atharvaveda 16. President 17. Roentgens 18. Third Plan 19. 149 20. 108

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Description : Who was the Governor General tomerge Sindh in British India? -Do You Know?

Last Answer : answer:

Description : Who was the Governor General tomerge Sindh in British India?

Last Answer : Lord Ellenborough

Description : The Karakoram Highway connects which pair of countries? -Do You Know?

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Description : Among the Indian languages, which one is spoken maximum in the world after Hindi? -Do You Know?

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Description : The power of a convex lens is +2.5. Then its focal length is (a) 20 cm (b) 50 cm (c) 30 cm (d) 40 cm

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Description : The focal length of a convex lens is 50 cm. what is its power? -Do You Know?

Last Answer : convex ( so focal length is positive ) given : f = 50cm or +50×10^-2m so find p =? formula p =1/f p = 1/50×10^-2 p= 100/50 P = 2

Description : The focal length of a convex lens is 50 cm. what is its power?

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Last Answer : this is the answer for the respected question

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

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Description : The Karakoram Highway connects which pairs of countries? -General Knowledge

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Last Answer : answer:

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Description : The Karakoram Highway connects which pairs of countries?

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Description : Find the focal length and power of a convex lens, which when placed in contact with a concave lens of focal length `25 cm` forms a real image `5` time

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Description : A student focuses the image of a candle flame, placed at about 2 m from a convex lens of focal length 10 cm, on a screen. After that he moves gradually the flame towards the lens and each time focuses its ... d) What is seen on the screen when the flame is very close (at about 5 cm) to the lens?

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Last Answer : 20cm = 0.2 m We know , power p = 1 / f = 1 / 0.2 = + 5 D

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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.

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:

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

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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

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Description : Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm  focal length. The focal length of the combination is  (A) 10 cm  (B) 20 cm  (C) 30 cm  (D) 40 cm 

Last Answer : (C) 30 cm 

Description : Which formulates fiscal policy? -Do You Know?

Last Answer : answer:

Description : Which formulates fiscal policy? -Do You Know?

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Description : The power of a lens (A) Is reciprocal of its focal length (B) Is positive if it is a convex lens (C) Is negative if it is a concave lens (D) Is measured in Diopter

Last Answer : (D) Is measured in Diopter

Description : Flint glass (A) Has slightly the greater refracting power than crown glass (B) Has roughly double refracting power than that of crown (C) And crown glass proportions yield the required focal length ... dispersion produced by the convex lens at the emergence from the concave (D) All the above

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Description : At what distance should an object be placed from a convex lens of focal langth `15 cm` to obtain an image three times the size of the object ?

Last Answer : At what distance should an object be placed from a convex lens of focal langth `15 cm` to obtain an image three times the size of the object ?

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Description : If f1 and f2 are the distances from the optical centre of a convex lens of focal length to conjugate two points P1 and P2 respectively, the following relationship holds good (A) f = f1 + f2 (B) f = ½ (f1 + f2) (C) 1/f = 1/f1 + 1/f2 (D) None of these

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Description : In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is (A) 5.24 cm (B) 6.24 cm (C) 7.24 cm (D) 8.24 cm

Last Answer : (C) 7.24 cm

Description : A converging lens forms a three times magnified image of an object, which can be take on a screen. If the focal length of the lens is 30 cm, then the distance of the object from the lens is (a) - 55 cm (b) - 50 cm (c) - 45 cm (d) - 40 cm

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Description : The focal length of the lens in a photographic camera is 5 cm. What is the power of the lens? -Do You Know?

Last Answer : P=100/f (in cms) =100/5 1m= 100cm 0.2m= 20cm Hence,the power is 0.2 D The lens is convex as it is positive

Description : The focal length of the lens in a photographic camera is 5 cm. What is the power of the lens?

Last Answer : + 20 D

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.

Description : 1. Find the focal length of a convex mirror whose radius of curvature is 32 cm. -Physics-10

Last Answer : Radius of curvature (R) = 32 cm Radius of curvature = 2 × Focal length (f) R= 2f f = R/2 = 32/2 = 16 Therefore, the focal length of the given convex mirror is 16 cm.