Physics · 2021
JEE Main · 25 July 2021, Shift 1 · Q9
A ray of laser of a wavelength 630 nm is incident at an angle of 30° at the diamond-air interface. It is going from diamond to air. The refractive…
A ray of laser of a wavelength $\displaystyle 630$ nm is incident at an angle of $\displaystyle 30$° at the diamond-air interface. It is going from diamond to air. The refractive index of diamond is $\displaystyle 2.42$ and that of air is 1. Choose the correct option.
Official answer
(4)
refraction is not possible
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.