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Refractive index of four media, A,B,C an...

Refractive index of four media, A,B,C and D are given below:

In which of these four media is the speed of light (i) maximum, and (ii) minimum?

A

maximum at C and minimum in B

B

maximum at A and minimum in B

C

maximum at B and minimum in C

D

maximum at D and minimum in C

Text Solution

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The correct Answer is:
B
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Refractive index of media A, B, C and Dare: In which of the four media is the speed of light (i) maximum (ii) minimum

n=(v)/(c) where n denotes the refractive index of a medium, v the speed of light in the medium and c the speed of light in vacuum.

LAKHMIR SINGH & MANJIT KAUR-REFRACTION OF LIGHT-Exercise
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  3. Refractive index of four media, A,B,C and D are given below: In w...

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  4. Name the lens which can concentrate sun's rays to a point and burn a h...

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  5. Give the usual name for the following: A point inside a lens through...

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  6. A 1 cm high object is placed at a distance of 2f from a convex lens. W...

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  7. If the image formed by a convex lens is of the same size as that of th...

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  8. If an object is placed at the focus of a convex lens, where is the ima...

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  9. Where should an object be placed in order of to use a convex lens as a...

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  10. Where should an object the placed in front of the mirror so as to obta...

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  11. Where should an object be placed in front of a convex lens so as to ob...

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  12. For what position of an object a real, diminshed image is formed by a ...

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  13. If an object is at a considerable distance (or infinity) in front of a...

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  14. Draw the given diagram, Fig. in your answer book and complete it for t...

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  15. Where should an object be placed in order of to use a convex lens as a...

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  16. Name two factors on which the focal length of a lens depends.

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  17. State any two uses of convex lenses.

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  18. Fill in the following blanks with suitable words: a) Parallel rays ...

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  19. What is a lens? Distinguish between a convex lens and a concave lens. ...

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  20. a) Explain with the help of a digaram, why the convex lens is also cal...

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