Statement 1 refers assertion and statement 2 referes reason in the following question.
Statement 1: A stone is tied to a string is whirled in a circle with uniform velocity. If the string suddely breaks, the angular momentum of the stone becomes zero.
Statement 2: The torque acting on the stone equals the rate of change of angular momentum.
Which one of the following statements is correct?

Options

A. Statement 1 and 2 are true and statement 2 is a correct explanation for statement 1.
B. Statements 1 and 2 are true and statement 2 is not a correct explanation for statement 1.
C. Statement 1 is true and statement 2 is false.
D. Statement 1 is false and statement 2 is true.

Answer

D

Explanation

No external torque acts on the stone. Hence, even after the string brings, the angular momentum will remain unchanged.