Frequency of matter wave is equal to

Options

A. `(K.E.)//2h`
B. `2.(K.E.)//h`
C. `(K.E.//h)`
D. `lambda`

Answer

B

Explanation

`lambda = (h)/(mv)`
`v = nu lambda rArr lambda = (v)/(nu)`
`:. (v)/(nu) = (h)/(mv)`
`nu = (mv^(2))/(h)`
`nu = (2K.E.)/(h)`