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When electromagnetic waves enter the ionised layer of ionosphere, the relative permitting of the ionised layer

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When electromagnetic waves enter the ionised layer of ionosphere, the relative permitting of the ionised layer 

(A) remain constant 

(B) appears to decrease 

(C) appears to increase 

(D) changer randomly

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1 Answer

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Best answer

The correct option is (B) appears to decrease.

Explanation:

When electromagnetic waves enter the ionised layer, the relative permitting of the ionised layer appears to decrease.

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