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Grade 11Mechanics

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

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Profile image of Myra
6 Years agoGrade 11
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3 Answers

Profile image of Saurabh Koranglekar
ApprovedApproved Tutor Answer6 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
Profile image of Arun
6 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
Profile image of Arun
6 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