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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.

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.