1.

In a pipe closed at both ends the maximum amplitude of vibration is 5 mm and the amplitude of vibration at a distance 5 cm from one end is 4.33 mm. The length of the pipe is 120cm. To what mode of vibration does it correspond ? What is the frequency of the note emitted by the pipe ? Velocity of sound in the gas enclosed in the pipe 336 m/s.

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ANSWER :A::C::D


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