Material A has critical angle and material B has critical …

Physics Ray Optics Total Internal Reflection MCQ (Single Correct)

Material A has critical angle and material B has critical angle Then which of the following is true

(i) Light can be totally internally reflected when it passes from B to A

(ii) Light can be totally internally reflected when it passes from A to B

(iii) Critical angle for total internal reflection is

(iv) Critical angle between A and B is

(i) and (iii)

(i) and (iv)

(ii) and (iii)

(ii) and (iv)

Text Solution

Verified by Experts

The correct answer is:

We know

Given critical angle

So i.e. B is rarer and A is denser.

Hence light can be totally internally reflected when it passes from A to B

Now critical angle for A to B

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