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प्रश्न
Two tuning forks A and B of frequencies 256 Hz and 192 Hz respectively are vibrated in air. If the wavelength of A is 1.25 m, calculate the wavelength produced by B.
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उत्तर
Frequency of tuning fork A = fA = 256 Hz
Frequency of tuning fork B = fB = 192 Hz
Wavelength produced in A = λA = 1.25 m
Wavelength produced in B = λB = ?
Case - I
v = λAfA
v = 1.25 × 256
v = 320 ms-1
Case - II
v = λBfB
λB = `"v"/"f"_"B"`
λB = `320/192 = 1.67` m
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