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In microwave oven, if frequency of rotat...

In microwave oven, if frequency of rotation of water molecules is `v_(1)` and frequency of microwave is `v_(2)` then ….

A

`v_(1)lt v_(2)`

B

`v_(1)gt v_(2)`

C

`v_(1)=v_(2)`

D

`v_(1)=0` and `v_(2)=oo`

Text Solution

Verified by Experts

The correct Answer is:
C
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KUMAR PRAKASHAN-ELECTROMAGNETIC WAVES-SECTION D MULTIPLE CHOICE QUESTIONS (MCQs)
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  2. …. radiation is emitted by hot bodies.

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  3. In microwave oven, if frequency of rotation of water molecules is v(1)...

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  4. Given the frequency of microwave used by microwave oven to cook food.

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  5. ….. are used in the interceptor van used by traffic police.

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  6. ….. can be used to cook the food.

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  7. …. Lamp is used in physiotherapy treatement.

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  8. When skin gets exposed UV radiation for a long time, it develops …..

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  9. Which of following is CFC gas ?

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  10. Cracks in bones can be detected using ………

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  11. ….. are used to kill cancerous cells.

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  12. In communication system and RADAR microwave are used, because …….

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  13. Ozone layer absorbs …..

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  14. The wavelength less than …… Å almost all the electromagnetic waves are...

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  15. Wavelengths of some electromagnetic waves are given below. Arrange the...

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  16. Wavelength of infrared waves is …..

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  17. The wavelength 5890 Å and 5896 Å of sodium doublet correspond to …. re...

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  18. In electromagnetic spectrum ……… the light has lowest wavelength.

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  19. Which of the following electromagnetic wave has maximum wavelength ?

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  20. Which of the following group has the frequency of electromagnetic ray ...

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