A wave equation is y=0.1sin[100πt-kx] and wave velocity is 100m/s, i – McqOptions

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1.	A wave equation is y=0.1sin[100πt-kx] and wave velocity is 100m/s, its number is equal to __________
A.	1/m
B.	2/m
C.	π/m
D.	2π/m
Answer» D. 2π/m

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