Question

70. The distance between 4th and 3rd Bohr
orbits of He is :
(a) 2.645 x 10-10 m
(b) 1.322 x 10-10 m
(C) 1.851 x 10-10 m
(d) None​

Answer 1

Answer:

The distance between 4th and 3rd Bohr

orbits of He is :

(a) 2.645 x 10-10 m

Answer 2

Answer:

2.645 ×10-10m

this is the answer