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प्रश्न
State two factors on which the natural frequency of a body depends.
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उत्तर
(i) The shape of the body, and
(ii) The size of the body.
संबंधित प्रश्न
The human ear can detect continuous sounds in the frequency range from 20 Hz to 20,000 Hz. Assuming that the speed of sound in air is 330 ms1 for all frequencies; calculate the wavelengths corresponding to the given extreme frequencies of the audible range
Define wavelength term in relation to a wave.
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which does not change.
Draw a labelled diagram to show the multiple reflections of sound in a part of the stethoscope tube.
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
Explain Reflection at curved surfaces.
Write short notes on reflection of sound waves from plane and curved surfaces.
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
