Physics · 2023
JEE Main · 12 April 2023, Shift 1 · Q50
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: EM waves used for optical…
Given below are two statements: one is labelled as Assertion $\displaystyle \mathbf{A}$ and the other is labelled as Reason RAssertion A : EM waves used for optical communication have longer wavelengths than that of microwave, employed in Radar technology.Reason R : Infrared EM waves are more energetic than microwaves, (used in Radar)In the light of given statements, choose the correct answer from the options given below.
Official answer
From NTA’s final answer key for this paper.
(4)
A is false but R is true
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.