Question

What will be velocity of an electron revolving in
second orbit of H-atom :-
(1) 5.45 x 105 m/sec1 (2) 21.8 x 105 m/sec
(3) 10.9 x 105 m/sec-1 (4) 43.6 x 105 m/sec1​

Answer 1

Answer:

3rd option

Explanation:

v=2.18×106×z÷n

= 2.18×106×1÷2

=10.9×105 m/sec.

HOPE IT WOLL HELP YOU, MARK IT AS BRAINLIEST ANSWER