A particular hydrogen like ion emits radiation of frequency 2 . 92 × 10 15   Hz when it makes…

A particular hydrogen like ion emits radiation of frequency 2.92×1015 Hz when it makes transition from n=3 to n=1. The frequency in Hz of radiation emitted in transition from n=2 to n=1 will be:
  1. 6.57×1015
  2. 2.46×1015
  3. 0.44×1015
  4. 4.38×1015

Solution

As we know,

ν1n121n22

2.92×1015ν=11191114

ν=2.92×1015×34×98

ν=2.46×1015 Hz

Asked in: JEE Main 2021 (26 Aug Shift 1)

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