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  • A train of sound waves is propagated along a wide pipe and it's reflected from an open end. If the amplitude of waves is 0.002cm, the frequency 1000Hz, and the wavelength 40cm, the amplitude of

A train of sound waves is propagated along a wide pipe and it's reflected from an open end. If the amplitude of waves is 0.002cm, the frequency 1000Hz, and the wavelength 40cm, the amplitude of vibration at a point 10cm from open end inside the pipe will be-

Option: 1

zero


Option: 2

0.002cm


Option: 3

0.001cm


Option: 4

0.005cm


Answers (1)

best_answer

At 10cm distance from open end or at distance \frac{\lambda }{4} from the open end, there should be a node.

So, amplitude of vibration at a point 10cm will be zero.

Posted by

Ritika Jonwal

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