Question

13 A wave equation is given by y= 4 sin T
t
9 5 6
where, x is in cm and t is in second. The wave number
of the wave is
rad cm-1
(b) – rad cm-1
9
6
27
(c)
(d) rad cm-1
5
9
TT
(a)
TC
rad cm​

Answer 1

Explanation:

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