The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 
. Then the velocity of wave will be
Text Solution
Verified by ExpertsThe correct answer is:
D
Path difference 
⇒ ⇒ 
⇒ ⇒ λ λ = 3.2 m.
∴ ∴ v = n λ λ = 120 × × 3.2 = 384 m/s
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