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.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false.