1.

When a sound wave of frequency 300 Hz passes through a medium the maximum displacement of a particle of the medium is 0.1 cm. The maximum velocity of the particle is equal to    [MNR 1992; UPSEAT 1998, 2000; RPMT 2002; Pb. PET 2004]

A. 60 p cm/sec  
B. 30 p cm/sec
C. Remains same   
D. 60 cm/sec
Answer» B. 30 p cm/sec


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