AP and TS EAMCET Engineering Model Paper 18

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Question : 120 of 160

Marks: +1, -0

An electromagnetic wave of frequency 3MHz passes from Vacuum into a dielectric medim with permetivity ∈ = 4.0 Then

wave length doubled and frequency remains unchanged
wave length is doubled and frequency be comes half
wave length is halved and frequency remains unchanged
wave length and frequency both remain unchanged.

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