ISC Physics Class XI Part 1>Chapter 31 - Superposition of Waves-2 : Stationary (Standing) Waves : Vibration of Air Columns>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 41

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A student performed the experiment to measure the speed of sound in air using resonance air- column method. Two resonances in the air-column were obtained by lowering the water level. The resonance with the shorter air-column is the first resonance and that with the longer air-column is the second resonance. Then :

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Important Questions on Superposition of Waves-2 : Stationary (Standing) Waves : Vibration of Air Columns

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11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 31 - Superposition of Waves-2 : Stationary (Standing) Waves : Vibration of Air Columns>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 42

Air is blown at the mouth of a tube (Length $25 cm$ and diameter $3 cm$ ) closed at one end. Velocity of sound is $330 m / s$ the sound which is produced will correspond to the frequencies :

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