Assertion (A): The bottom of a tank or pond, filled with water appears to be raised. Reason (R): The apparent depth of the tank is given by 1/n times the original depth.

(a) (A) is incorrect and (R) is correct.

(b) (A) is correct and (R) is incorrect.

(c) Both (A) and (R) are correct but (R) is not the correct explanation of (A).

(d) Both (A) and (R) are correct but (R) is the correct explanation of (A).