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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 30 July 2022, Shift 2, Physics Q13

Question 13 of 90 in this shift, Physics question 13 of 30, Section A.

A plane electromagnetic wave propagating in free space has amplitude of electric field of 900 NC\frac{\mathrm{N}}{\mathrm{C}} . The amplitude of magnetic field will be :__________
  1. (1)9 µT
  2. (2)27 µT
  3. (3)3 µTOfficial answer
  4. (4)270 GT

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.