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प्रश्न
If a sound wave travels with a frequency of 1.25 × 104 Hz at 344 ms–1, the wavelength will be
पर्याय
27.52 m
275.2 m
0.02752 m
2.752 m
उत्तर
0.02752 m
Hint:
Velocity of sound = frequency × wavelength
v = nλ
λ = `"v"/"n"` = `344/(1.24xx10^4)`
λ = 0.02752 m.
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