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Electromagnetic Waves question

2004 · Shift 0 · Q118
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Electromagnetic Waves question

2004 · Shift 0 · Q118

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
An electromagnetic wave of frequency v=3.0MHzv=3.0MHzv=3.0MHz passes from vacuum into a dielectric medium with permittivity ∈=4.0.\in = 4.0.∈=4.0. Then
  1. A
    wave length is halved and frequency remains unchanged
  2. B
    wave length is doubled and the frequency becomes half
  3. C
    wave length is doubled and the frequency remains unchanged
  4. D
    wave length and frequency both remain unchanged.
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