Atomic StructureHard

Question

The speed of an electron having a wavelength of 10-10 m is

Options

A.4.24 × 106 m/s
B.5.25 × 106 m/s
C.6.25 × 106 m/s
D.7.25 × 106 m/s

Solution

We know that De-Broglie wavelength is
mv = ⇒ λ =
10-10 =
v = = 7.25 × 106

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