PDF chapter test TRY NOW
1. What will be the frequency sound having \(0.20\) \(m\) as its wavelength, when it travels with a speed of \(331\) \(m/s\)?
The formula to find the frequency is
The frequency is .
2. Name two animals, which can hear ultrasonic vibrations.
Pick an animal which can hear ultrasonic vibration in the following
a.
b.
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