Two observers A and B are provided with a source of the sound of frequency 500 Hz. A remains stationary and B moves away from him at a velocity of 18 m/s. How many beats per second are observed by B, the velocity of sound in air being 330 m/s
A column of air is set into vibration and the note emitted gives 10 beats per second when a tuning fork of frequency 440 Hz is sounded, the temperature being 20°C. The frequency of beats decreases when the tuning fork is loaded with a small piece of wax. at what temperature the unloaded fork and the air column will be in unison?
Why is an end correction necessary for an organ pipe?
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