Question

The ratio of velocity of the electron in 4^th and 5^th orbit of Be³⁺ would be –

• A. 5 : 4
• B. 4 : 5
• C. 25 : 16
• D. 16 : 25

Answer 1

Answer: (A)

5 : 4

Answer 2

v µ $\frac{1}{n}$ ̃ $\frac{V_{4}}{V_{5}}$= $\frac{1/4}{1/5}$ = $\frac{5}{4}$