Question

The velocity of an electron in the second Bohr orbit of an element is `1.1 xx 10^(6) s^(-1)` Its velocity in the third orbit is
A. `3.3 xx 10^(6) m s^(-1)`
B. `2.2 xx 10^(6) m s^(-1)`
C. `7.333 xx 10^(5) m s^(-1)`
D. `3.66 xx 10^(5) m s^(-1)`

Answer 1

`7.333 xx 10^(5) m s^(-1)`