Chemistry · 2026
JEE Main · 28 January 2026, Shift 2 · Q52
The wavelength of photon ' A ' is 400 nm. The frequency of photon ' B ' is 10^16 s^-1. The wave number of photon ' C^′ is 10^4 cm^-1. The correct…
The wavelength of photon ' $\displaystyle A$ ' is $\displaystyle 400$ nm . The frequency of photon ' $\displaystyle B$ ' is $\displaystyle 10^{16} \mathrm{~s}^{-1}$. The wave number of photon ' $\displaystyle \mathrm{C}^{\prime}$ is $\displaystyle 10^4 \mathrm{~cm}^{-1}$. The correct order of energy of these photons is :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle B>A>C$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.