Year: 2023
Topic: Atoms
Time :
1.
The radius of inner most orbit of hydrogen atom is \(\displaystyle 5.3 \times 10^{-11} \) m. What is the radius of third allowed orbit of hydrogen atom?
(1). \(\displaystyle 1.06\, \mathring{A} \)
(2). \(\displaystyle 1.59\, \mathring{A} \)
(3). \(\displaystyle 4.77\, \mathring{A} \)
(4). \(\displaystyle 0.53\, \mathring{A} \)