Question

Assertion(A): Ionosphere contains gases in the ionized form which form the basis for wireless communication.
Reason (R): These ions reflect back the radio waves to the earth.

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not correct explanation of A.
• C. A is true and R is false.
• D. A is false and R is true.

Answer 1

The correct option is A Both A and R are true and R is the correct explanation of A.

Ionosphere contains ions in gaseous form which makes it for wireless communication as ions reflect some of the electromagnetic waves.