Question

1. Calculate momentum of an electron if it is Moving with the speed of light.​

Answer 1

Explanation:

Momentum =

λ

h

(using de Broglie equation)

=

2.5×10

−10

6.6×10

−34

=2.64×10

−24

kg m sec

−1

.

Answer 2

Answer:

speed of light :- 3×10^8m/s

electron:-p=h×lambda

v of electron:-6×10^6m/s

3×10^8÷6×10^6

30000000÷6000000

50 km /hr

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