JEE Main 2023 Physics question
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 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
Answer: (D)