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A ray of light is travelling from a dens...

A ray of light is travelling from a denser medium to rarer medium. For these media the critical angle is C. The maximum possible deviation of the ray is ...........

[Hint : The situation at total reflection is shown in the figure.]

A

`pi-C`

B

2C

C

`pi-2C`

D

`(pi)/(2) - C`

Text Solution

Verified by Experts

The correct Answer is:
D
Maximum possible deviation =`delta= pi//2 - C`
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ALLEN -GEOMETRICAL OPTICS-EXERCISE- 01
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  13. A double convex lens, lens made of a material of refractive index mu(1...

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  17. A diverging lens of focal length 10cm is placed 10cm in front of a pla...

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  19. A point object O is placed at a distance of 20 cm from a convex lens o...

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