Assertion: In a string wave, during reflection from fix boundary, the reflected wave is inverted.
Reason: The force on string by clamp is in downward direction while string is pulling the clamp is upward direction.
A. if both the assertion and reason are true and reson is a true explanation of the assertion.
B. if both the assertion and reason are true but the reason is not the correct explanation of assertion.
C. If the assertion is true but reason is false.
D. If both the assertion and reason are false.