1.

Assertion: In forced oscillations, th steady state motion of the particle is simpl harmonic. Reason: The frequency of particle after the free oscillations die out, is the natural frequency of the particle.

Answer»

If both ASSERTION and reson are TRUE and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both assertion and reason are false.

Solution :In forced oscillations, the frequency of particle after free oscillations die out, is the frequency of the DRIVING force, not the NATURAL frequency of the particle.


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