A standing wave is shown in the figure on the right.If the period of the wave is T,the shortest time it takes for the wave to go from the solid curve to the dashed curve is
A)T/4
B)T/3
C)T/2
D)3T/4
E)None of these is correct.

Question

A standing wave is shown in the figure on the right.If the period of the wave is T,the shortest time it takes for the wave to go from the solid curve to the dashed curve is 
A)T/4 
B)T/3 
C)T/2 
D)3T/4 
E)None of these is correct.

Quizplus · Accepted Answer

The distance between the solid and dashed curves is half a wavelength, which corresponds to half a period. Therefore, the time it takes for the wave to go from the solid curve to the dashed curve is half the period, or T/2.

A Standing Wave Is Shown in the Figure on the Right.If