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प्रश्न
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. The ratio of its wavelengths in water and air is ______.
पर्याय
4.30
0.23
5.30
1.23
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उत्तर
A sound wave whose frequency is 5000 Hz travels in air and then hits the water surface. Th e ratio of its wavelengths in water and air is 4.30.
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