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If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit

If, an electron in hydrogen atom jumps from an orbit of level n=3 to an orbit of level n=2, emitted radiation has a frequency (R=Rydberg’s constant, c=velocity of light)

Options

(a) 3Rϲ/27
(b) Rϲ/25
(c) 8Rϲ/9
(d) 5Rϲ/36

Correct Answer:

5Rϲ/36

Explanation:

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