Sound WavesHard
Question
If equation of sound wave is y = 0.0015sin (62.4x = 316t), then its wavelength will be
Options
A.2 unit
B.0.3 unit
C.0.1 unit
D.0.2 unit
Solution
y = 0.0015sin(62.8x + 314t)
Comparing it with the equation
y = a sin(ωt + kx)
ω = 314, k = 62.8
k =
= 63.8 ⇒ 
Comparing it with the equation
y = a sin(ωt + kx)
ω = 314, k = 62.8
k =
= 63.8 ⇒ Create a free account to view solution
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