Question

The radii of the second orbit of the hydrogen atom calcuiated from
Bohr's model is:
​

Answer 1

Answer:

Given: Planck's const. h=6.6262×10

−34

Js; mass of electron =9.1091×10

−31

kg; charge of electron, e=1.60210×10

−19

C; permittivity of vacuum, ε

0

=8.854185×10

−12

kg

−1

m

−3

A

r=

4π

2

me

2

k

n

2

h

2

r=

4×(3.1416)

2

×9.1091×10

−31

kg×(1.60210×10

−19

C)

2

×9×10

9

2

2

(6.6262×10

−34

Js)

2

r=2.12×10

−10

m

r=2.12

˚