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For the given incident ray as shown in t...

For the given incident ray as shown in the figrue,the condition of total interna reflection of the ray will be satisfied,if the refracrtive index of block will be
.

A

`(sqrt3+1)//2`

B

`(sqrt2+1)//2`

C

`sqrt(3//2)`

D

`sqrt(7//6)`.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A ray of light from a sodium lamp undergoes total internal reflection....

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  2. A ray of light falls on a right angled prism ABC (AB=BC) and travels a...

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  3. For the given incident ray as shown in the figrue,the condition of tot...

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  4. The critical angle of light passing from glass to air is minimum for

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  5. Which of the following phenomenon is used in optical fiber?

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  6. A glass prism of refractive index 1.5 is immersed in water (mu= 4//3)....

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  7. A,B and C in the diagram represent rays of light incident upon a face ...

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  8. Refractive index of water is 5//3. A light source is placed in water a...

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  9. A fish looking up through the water sees the outside world contained i...

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  10. A diver in swimming pool wants to signal his distress to a person lyin...

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  11. An equiconvex lens has focal length equal to the radius of curvautre.I...

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  12. What is the focal length of a double convex lens for which radius of c...

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  13. A lens behaves as a converging lens in air and diverging lens in wate...

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  14. The two surfaces of a convex lens are of same radius of curvature.It i...

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  15. The two surfaces of a convex lens are of same radius of curvature.It i...

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  16. A convex lens is placed in contact with a mirror as shown in figure. I...

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  17. For a given distance between an object and an image screen,magnificati...

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  18. An object is placed at a distance of f//2 from a convex lens .The imag...

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  19. A camera is focussed to take a cose up picture of an insect at a dista...

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  20. The graph drawn with object distance along abbscissa and image distanc...

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