Question

determine the speed of electron in the n=3 orbit of hydrogen atom​

Answer 1

Explanation:

For an electron,

e=4.803×10

−10

esu

m=9.1×10

−28

g

z=1

Radius of 3rd orbit = r

1

×n

2

= 0.529×10

−8

×9

V

n

= [

mr

n

ze

2

]

1/2

V

n

= 7.29×10

7

cmsec

−1