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Question

Choose the correct statements:


A
There is a phase change of in the pressure wave when it is reflected by an open end in an organ pipe
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B
In standing wave, all the particles between two successive nodes reach their extreme positions together
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C
Equation y=2 A cos kx cos ω t represetnts a standing wave
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D
Figure shows a travelling wave in stretched string kinetic energy and potential energy both will be zero at point A
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Solution

The correct options are
A There is a phase change of in the pressure wave when it is reflected by an open end in an organ pipe
B In standing wave, all the particles between two successive nodes reach their extreme positions together

C Equation y=2 A cos kx cos ω t represetnts a standing wave

Fact based question.

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