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Assertion Microwaves are used in microwa...

Assertion Microwaves are used in microwave oven for cooking purpose.
Reason The frequency of microwaves is from `10^(14)` to `10^(17) Hz`.

A

If both Assertion and Reason are true and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are true but Reason is not correct explanation of Assertion.

C

If Assertion is true but Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
C
The frequnency range of microwave is from `10^(9)` to `10^(11)` Hz.
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Knowledge Check

  • Assertion : Microwaves are heat waves which is used to heat up food in ovens. Reason : In ovens, microwaves heat up the vessel first and food inside gets heated up by the transfer of energy from the vessel.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
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    D
    If both assertion and reason are false

  • Calculate the energy of one mole of photons of radiation whose frequency is 5 xx 10^(14) Hz .

    A
    199.51 kJ
    B
    `3.3xx10^(-19)J`
    C
    `6.626xx10^(-34)J`
    D
    `2.31xx10^(5)J`

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