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प्रश्न
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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उत्तर
The frequency of a wave does not change when it passes from one medium to another medium.
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संबंधित प्रश्न
A wave passes from one medium to another medium. Mention one property of the wave out of speed, frequency or wavelength which changes.
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