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Saturday, 31 October

JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2024, Shift 1, Physics Q39

Question 39 of 90 in this shift, Physics question 9 of 30, Section A.

Electromagnetic waves travel in a medium with speed of 1.5×1081.5\times10^8 m s−1^{-1}. The relative permeability of the medium is 2.0. The relative permittivity will be:
  1. (1)1
  2. (2)2Official answer
  3. (3)4
  4. (4)5

Official answer

Option 2

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.