Assertion (A): The time response of the system with will not have any overshoot for unit step input.Reason (R): A critically damped system does not have any overshoot to a unit step input.

• A. Both A and R are correct and R is correct explanation of A
• B. Both A and R are correct but R is not correct explanation of A
• C. A is correct but R is wrong
• D. R is correct but A is wrong