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Estimate the approximate value of (lambd...

Estimate the approximate value of `(lambda_(c)//lambda_(p))^(2)` where `lambda_(c) and lambda_(p)` are the de Brogilie wavelengths of a Carbon `(""^(12)C)` atom and proton, respectively, having the energies of 12 KeV each

A

`~1`

B

`~1//12`

C

`~12`

D

`~1//144`

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