Assertion(A): Threshold frequency is a characteristic for a metal
Reason(R): Threshold frequency is a maximum frequency required for the ejection of electron from the metal surface.

Options

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true and (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true

Answer

C