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IN which of the following media the wave propagation occurs with out attenuation?

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IN which of the following media the wave propagation occurs with out attenuation? 

(A) Conductor 

(B) perfect dielectric medium 

(C) Semi conductor 

(D) None of the above

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1 Answer

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Best answer

The correct option is (B) perfect dielectric medium.

Explanation:

For perfect dielectric medium, σ = 0 

∴ wave propagation occurs without any attenuation.

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