Physics · 2025
JEE Main · 3 April 2025, Shift 2 · Q42
A monochromatic light of frequency 5 × 10^14 Hz travelling through air, is incident on a medium of refractive index ' 2 '. Wavelength of the…
A monochromatic light of frequency $\displaystyle 5 \times 10^{14} \mathrm{~Hz}$ travelling through air, is incident on a medium of refractive index ' $\displaystyle 2$ '. Wavelength of the refracted light will be :
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 300$ nm
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.