waves

Related Questions

• Find the fundamental frequency of a closed pipe, if the length of the air column is 42 m. (speed of sound in air = 332 m/sec)

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• Ultrasonic waves are those waves

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• A man sets his watch by the sound of a siren placed at a distance 1 km away. If the velocity of sound is 330 m/s

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• A hospital uses an ultrasonic scanner to locate tumours in a tissue. The operating frequency of the scanner is 4.2 MHz. The speed of sound in a tissue is 1.7 km/s. The wavelength of sound in the tissue is close to

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• A small source of sound moves on a circle as shown in the figure and an observer is standing on $O$. Let ${{n}_{1}},\ {{n}_{2}}$ and ${{n}_{3}}$be the frequencies heard when the source is at $A,\ B$ and $C$ respectively. Then

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