Two tuning forks, A and B, give 4 beats per second when sounded together. The frequency of A is 320 Hz. When some wax is added to B and it is sounded with A, 4 beats per second are again heard. The frequency of B is
Text Solution
Verified by ExpertsThe correct answer is:
C
n A – n B ↓ ↓ = x (same)….. (i) Wrong
n B ↓ ↓ – n A = x (same)…... (ii) Correct
⇒ ⇒ n B = n A + x = 320 + 4 = 324 Hz.
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