Electromagnetic waves travel in a medium with speed of 1.5 × 108 ms–1. The relative permeability of the medium is 2.0. The relative permittivity will

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

Electromagnetic waves travel in a medium with speed of 1.5 × 10^8 ms^–1. The relative permeability of the medium is 2.0. The relative permittivity will be : 

(1) 5 

(2) 1 

(3) 4 

(4) 2                             (JEE-2024)  

✅ Answer

Electromagnetic waves travel in a medium with speed of 1.5 × 10^8 ms^–1. The relative permeability of the medium is 2.0. The relative permittivity will be :  (1) 5  (2) 1  (3) 4  (4) 2 

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