Question

2. The velocity of electron in second shell of
hydrogen atom is:
(a) 10.94 x 100 ms? (b) 18.88
(C) 1.888 x 100 ms? (d) 1.094 x 10 ms -1
106
-1
ms​

Answer 1

Option C is the correct answer

1.88 x 100 ms

Hope it helps.......

Answer 2

Answer:

(d)

Explanation:

V= V°/ n          (n= 2)

v°= 2. 189 × 10^6 m/s

v= 2.189 × 10^6/ 2

v= 1.094 × 10^6 m/s