Question

Q.12. Calculate the wavelength. associated with an electron moving with a velocity of 10^10 m  per sec.​

Answer 1

Answer:

Mass of the electron =9.10×10

−28

g

Velocity of electron =10

10

cm per sec

h=6.62×10

−27

erg−sec

According to de Broglie equation,

λ=

mv

h

=

9.10×10

−28

×10

10

6.62×10

−27

=7.72×10

−10

cm

=0.0772

A

˚

.