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In the figure three progressive waves ar...

In the figure three progressive waves are shown. The phases of all are shown with respect to A. From this it is inferred that

A

the wave C is leading by `pi//2` and wave B is lagging being by `pi//2`

B

the wave C is leading by `pi` and wave B is also leading by `pi`

C

the wave C is lagging by `pi` and wave B is leading by `pi`

D

the wave C is lagging by `pi//2` and wave B is leading by `pi//2`

Text Solution

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The correct Answer is:
D
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