Question

plss guys solve the question no 27.
its urgent????​

Answer 1

A) A AND D ARE OF EQUAL LENGTH .D COMES IN STATE OF RESONANCE..

B) BOTH A AND D HAVE EQUAL LENGTH .

C) B &C ARE IN STATE OF FORCED VIBRATIONS

D) C & D VIBRATE WID VRY SMALL AMPLITUDE

HOPE IT HELPS U

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