Instructions

The answer to each question is a SINGLE DIGIT INTEGER ranging from 0 to 9, both inclusive.

Question 16

A hydrogen atom in its ground state is irradiated by light of wavelength 970 A. Taking $$hc/e = 1.237 \times 10^{-6} eV$$ m and the ground state energy of hydrogen atom as —13.6 eV, the numberof lines present in the emission spectrum is

Correct Answer: e

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