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JEE Main 2016 · Electromagnetic Spectrum & Atmosphere

Electromagnetic Spectrum & Atmosphere question from JEE Main 2016

Q23JEE Main 2016Easy

Electromagnetic Spectrum & Atmosphere

Arrange the following electromagnetic radiations per quantum in the order of increasing energy: A: Blue light B: Yellow light

C: X-ray D: Radiowave.

Show answer and solution

Answer: (c)

Photon energy $E = h\nu = \dfrac{hc}{\lambda}$ , so larger $\nu$ means more energy.
Frequency increases: radio wave < yellow < blue < X-ray.
Increasing energy: D, B, A, C.
So the answer is (c).

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