Assertion : It is not possible to have interference between the waves produced byu two violins.
Reason : For interferene of two waves the phase differnce between the wave must remain constant.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but re ason is not the correct explanation of the assertion.
C. If assertion is true but reason is false.
D. If the assertion and reason both are false