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Assertion (A) : Ionosphere contains gase...

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

Text Solution

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Knowledge Check

  • Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface?

    A
    ionosphere
    B
    stratosphere
    C
    mesosphere
    D
    exosphere

  • The layer of the atmosphere which reflects the radio waves back to the earth is called?

    A
    Stratosphere
    B
    Tropopause
    C
    Troposphere
    D
    Ionosphere

  • Radio waves reflects back from which Layer ?

    A
    Troposphere
    B
    Stratosphere
    C
    Mesosphere
    D
    Ozone Layer

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