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Principle of Superposition

At a point P ...

Question

At a point P in space, the disturbance created by a travelling wave which is not sinusoidal is +10 cm, while the disturbance created by another sinusoidal wave at the the same point in space is +5 cm. What is the net displacement at the point P ?

5 cm

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15 cm

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Solution

The correct option is B 15 cm
The principle of superposition is independent of the nature or the function of the wave. So, the net disturbance created here is 15 cm.

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