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In the following question from statement–1 (Assertion) is followed by statement–2 (Reason) Each question has the following four choice out of which only one choice is correct  

(a) Statement–1 is true, statement–2 is true. Statement–2 is a correct explanation for statement–1.  

(b) Statement–1 is true, statement–2 is true, statement–2 is not a correct explanation for statement–1.  

(c) Statement–1 is true, statement–2 is false  (d) Statement–1 is false, statement–2 is true.

Statement–1 :- sky wave communication is not suitable for frequencies greater than 30 MHz. 

Statement–2 :- High frequency signals die out before reaching the ionosphere. 

(A) a 

(B) b 

(C) c 

(D) d

1 Answer

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Best answer

The correct option is (C) c.

Explanation:

Sky wave communication is suitable for 2MHz – 20MHz frequency range. Above 30 MHz ionosphere does not reflect the waves, they are transmitted through it. Hence statement–1 is true and 2 is false.

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