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Standard XII

Physics

Phase Difference

The figure sh...

Question

The figure shows three progressive waves A, B and C. What can be concluded from the figure that with respect to wave A?

The wave C is ahead by a phase angle of π/2 and the wave B lags behind by a phase angle

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The wave C is lag behind by a phase angle of

and the wave B is ahead by a phase angle

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The wave C is ahead by a phase angle of π and the wave B lags behind by a phase angle

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The wave C lags behind by a phase angle of π and the wave B is ahead by a phase angle

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Solution

The correct option is B The wave C is lag behind by a phase angle of and the wave B is ahead by a phase angle
In the figure, ‘C’ reaches the position where ‘A’ already reached after $ω t = \frac{π}{2}$ and ‘A’ reaches the position where ‘B’ already reached after $ω t = \frac{π}{2} .$

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The figure shows three progressive waves A, B and C. What can be concluded from the figure that with respect to wave A?

The correct option is B The wave C is lag behind by a phase angle of and the wave B is ahead by a phase angle In the figure, ‘C’ reaches the position where ‘A’ already reached after ωt=π2 and ‘A’ reaches the position where ‘B’ already reached after ωt=π2.