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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 10 April 2023, Shift 1, Physics Q48

Question 48 of 90 in this shift, Physics question 18 of 30, Section A.

The energy of an electromagnetic wave contained in a small volume oscillates with
  1. (1)zero frequency
  2. (2)the frequency of the wave
  3. (3)double the frequency of the waveOfficial answer
  4. (4)half the frequency of the wave

Official answer

Option 3

NTA final key.

Chapter
Electromagnetic Waves
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.