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Wave number = k =2pi/lambda= w/v..... But answer is T.

Wave number = k =2pi/lambda= w/v.....
But answer is T.

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Grade:11

3 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

W has dimension of 1/T

K must have same as of x/v and 1/ w therefore T or seconds

Option c

Regards
Arun
25750 Points
4 years ago
Dear student
 
as we know y = a sin (w/v – k)
 
hence dimension k = dimension of w/ v
 = 1/T / L/T = L-1
 
Regards
Arun
Arun
25750 Points
4 years ago
 
Dear student
 
sorry for that mistake I thought it was w but it is x
 
hence dimension k = dimension of x/ v = T

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