M.Sc. Chemistry (PU-CET P.G) 2022 Panjab University Entrance Exam With Answers

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47.

Which is not true about an electromagnetic radiation

A: The frequency and energy are directly proportional
B: Energy and wavelength are inversely proportional
C: Frequency and wavenumber are inversely proportional
D: Energy is directly proportional to wave number

The answer is: C

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