An underwater sonar source operating at a frequency of 60 kHz directs its beam towards the surface. If velocity of sound in air is 330m/s, wavelength and frequency of the waves in air are ___________ a) 5.5mm, 60 kHz b) 5.5mm, 30 kHz c) 5.5mm, 30 kHz d) 5.5mm, 80 kHz

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Q: In an experiment with sonometer a tuning fork of frequency 256Hz resonates with a length of 25cm and…

A: B

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Q: 2a) What is the duration of each reflection interval (how long it takes for the sound pulse to go 1…

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Q: A pendulum has a period of 5 seconds. What is its frequency? 0.2 Hz 5 Hz 25 Hz 1 MHz

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A: C

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