1.

A particle is performing simple harmonic motion along x-axis with amplitude 4 cm and time period 1.2 sec. The minimum time taken by the particle to move from x =2 cm to x = + 4 cm  and back again is given by               [AIIMS 1995]

A.            0.6 sec                                     
B.            0.4 sec
C.            0.3 sec                                     
D.            0.2 sec
Answer» C.            0.3 sec                                     


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