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Question

Question: Neglecting variation of mass with velocity, the wavelengths associated with an electron having a kin...

Neglecting variation of mass with velocity, the wavelengths associated with an electron having a kinetic energy E is proportional to

A

E1/2

B

E

C

E –1/2

D

E–2

Answer

E –1/2

Explanation

Solution

l = h2mE\frac{h}{\sqrt{2mE}}

l µ E –1/2