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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?
Name the characteristic of sound in relation to its waveform
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
State two factors on which the natural frequency of a body depends.
Why is an echo not heard when the distance between the source of sound and reflection body is less than 10 m?
Waves produced on the surface of the water are formed to move with a velocity of 24 ms−1. If the wavelength of these waves equals 20 cm. find the
(i) frequency (no. of waves produced per second)
(ii) the time period (i.e. the time required to produce one wave) for these waves.
Explain why, the ceilings of concert halls are curved.
