Q .     This question has Statement `– 1` and Statement `– 2`. Of the four choices given after the statements, choose the one that best describes the two statements.

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.

JEE 2011
A

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

B

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

C

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

D

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

HINT

Theory based.

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