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प्रश्न
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
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उत्तर
Radio waves. These waves are not audible to us because their frequency is 3 × 104 Hz to 3 × 109 Hz. Which is more than the audible range.
संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
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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.
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Explain how the principle of echo is used by
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Explain Reflection at curved surfaces.
Write short notes on reflection of sound waves from plane and curved surfaces.
