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प्रश्न
What is sound? What type of waves are sound wave in air?
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उत्तर
Sound is a form of energy that makes us to hear. Sound waves are longitudinal waves in air.
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संबंधित प्रश्न
Which wave property determines (a) loudness, (b) pitch?
Write the audible range of frequency for the normal human ear.
Define the term wave velocity. Write its S.I. unit.
A source of wave produces 40 crests and 40 troughs in 0.4 s. What is the frequency of the wave?
What is approximate value of the speed of sound in iron as compared to that in air? Illustrate your answer with a simple experiment.
Name the factors on which the speed of sound depends.
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
An earthquake produces which kind of sound before the mainshock wave begins
Name two musical instruments which produce sound by vibrating strings.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
