NEET2014Physics-Atomic Physics

NEET 2014 Physics Hydrogen Spectrum MCQ Question

Type: MCQ-numerical-Medium-Class 12

Hydrogen atom in ground state is excited by a monochromatic radiation of λ = 975 Å. Number of spectral lines in the resulting spectrum emitted will be

A

3

B

2

C

6

D

10

Correct Answer

Option C

Detailed Explanation

The energy of the photon corresponds to a transition from n=1 to n=4. The number of spectral lines emitted is given by n(n1n^{-1})/2 = 6.

Found an issue with this question?