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Statement-1 : Sky wave signals are used for long distance radio communication. These signals are in general, less stable than ground wave signals.
Statement -2 : The state of ionosphere varies from hour to hour, day to day and season to season.

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Statement -1 is true, Statement -2 is true and Statement – 2 is the correct explanation of Statement – 1.

Statement -1 is true, Statement -2 is true and Statement -2 is not correct explanation of Statement -1.

Statement -1 is true, Statement -2 is false

Statement -1 is false, Statement -2 is true.

answer is A.

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Detailed Solution

Sky wave signals are used for long distance communication. The sky wave signals are less stable than ground wave signals because of the variation of state of ionosphere.

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