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Electromagnetic Waves · 2023 · 31 Jan · Shift 1

1 Physics questions from this JEE Main paper
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Electromagnetic Waves · 2023 · 31 Jan · Shift 1

1 Physics questions from this JEE Main paper

  1. Q72.In a medium the speed of light wave decreases to 0.2 times to its speed in free space The ratio of relative permittivity to the refractive index of the medium is x:1. The value of x is ​. (Given speed of…
    Physics · Electromagnetic Waves · Numerical