Question

5. Assertion: A ray of light is incident from outside on a glass sphere surrounded by
air. This ray may suffer total internal reflection at second interface.
Reason: If a ray of light goes from denser to rarer medium, it bends away from the
normal.​

Answer 1

Step-by-step explanation:

A is correct but R is wrong

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Answer 2

Answer:

b) If both assertion and reason are true but reason is not the correct explanation of assertion

Explanation:

When a ray of light enters a spherical glass sphere, it is first refracted at first interface and then it strike the inner surface of sphere (second interface)and get totally internally reflected if the angle between the refracted ray and normal to the drop surface is greater than the critical angle (42∘, in this case).

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