Verified Solution • 2025–26 Session moderate

QJEEM24Phee47: JEE Main 2024 Physics - Class 12 JEEM24Phee47 Solution: Electromagnetic waves travel in a medium with speed of 1.5 × 10 …

Electromagnetic waves travel in a medium with speed of 1.5×108 m s−1. The relative permeability of the medium is 2.0. The relative permittivity will be:

Multiple Choice Options

  • A 4
  • B 1
  • C 2
  • D 5

Step-by-Step Verified Solution

v=1μ0μrε0⋅εr⇒1.5×108=3×1082⋅εr⇒εr=2

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