Assertion:AgCl is reduced to silver under light, which gives samples a violet colour.

The correct answer is option A i.e. both the assertion and reason statements are correct, and the reason justifies the assertion statement.

This is because AgCl on exposure to light, hv, the Ag⁺ component is reduced to Ag which samples a characteristic violet colour.

Hence, the correct answer to the given assertion-reason is option A.