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Questions  

The equation y=0.15 sin 5x cos 300t, describes a stationary wave. The wavelength of the stationary wave is 

a
Zero
b
1.256 metres
c
2.512 metres
d
0.628 metre

detailed solution

Correct option is B

On comparing the given equation with standard equation 2πλ=5⇒λ=6.285=1.256m

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