Question

Assertion : Amplitude of a forced vibration can never reach infinity.
Reason :The driving frequency cannot be increased beyond a certain limit.

• A. If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
• B. If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
• C. If the Assertion is correct but Reason is incorrect.
• D. If the Assertion is incorrect and Reason is correct.

Answer 1

Answer: (C)

Damping can never be zero in reality, so amplitude can never be infinity.