Question

The kinetic energy of an electron iss 3.0×1025J. The wavelength of the electron is​

Answer 1

Answer:

For electron

λ= mvh

p= 2km

λ= 2km

h

, λ= 2×3×10 −25 ×9.1×10 −31

6.6×10 −34

λ=0.8967×10 −6

m=8967 A

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