The energy of an electron in the first Bohr orbit of hydrogen atom is . Its energy in the third Bohr orbit is ______.
- (A) of this value
- (B)One third of this value
- (C)Three times of this value
- (D) th of this value✓ Correct
Answer: (D)
Solution
The energy of an electron in the nth Bohr orbit is given by J. Since , the energy in the third orbit is . Therefore, the energy in the third orbit is th of the first orbit energy.
JEE Main · 2023 · 13 Apr 2023 · Shift 1 · Single correct option