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प्रश्न
Write the approximate value of the speed of sound in air.
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उत्तर
The speed of sound in air = 340 ms−1
संबंधित प्रश्न
How is the frequency of a stretched string related to its length?
How is the frequency of a stretched string related it’s tension?
Displacement distance graph of two sound waves A and B, travelling in a medium, are as shown in the diagram below.

Study the two sound waves and compare their:
1) Amplitudes
2) Wavelengths
Define frequency term in relation to a wave.
Define wave velocity term in relation to a wave.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
What is meant by echo depth sounding?
A sound wavelength of 0.332 m has a time period of 10−3 s. If the time period is decreased to 10−4 s, calculate the wavelength and frequency of the new wave.
