The displacement of the wave given by equation `y(x, t)=a sin (kx - omega t +phi), ` where`phi=0` at point x and t = 0 is same as that at point
The displacement of the wave given by equation
`y(x, t)=a sin (kx - omega t +phi), ` where`phi=0` at point x and
t = 0 is same as that at point
A. `x+2npi`
B. `x+(2npi)/k`
C. `kx + 2npi`
D. Both (a) and (b)
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Correct Answer - b
`y(x,0)=a sin kx = asin (kx+2npi)`
`=a sin k (x+ (2npi)/k)`
`rArr` The displacement at points x and `(x+ (2npi)/k)` are the same, where
`n= 1, 2, 3,…`
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Answered