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Microwave oven acts on the principle of ...

Microwave oven acts on the principle of :

A

transferring electrons from lower to higher energy levels in water molecule

B

giving rotaional energy to water moleculs

C

Giving vibrational energy to water molecule

D

giving translation energy to water molecules

Text Solution

Verified by Experts

The correct Answer is:
B
Microwave oven acts on the principle of giving rotational energy to water molecules . Hence the correct option is (b)
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MODERN PUBLICATION-ELECTROMAGNETIC WAVES-COMPETITION FILE - OBJECTIVE TYPE QUESTIONS ( MULTIPLE CHOICE QUESTIONS )(B )
  1. Which of the following electromagnetic waves has highest wavelength?

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  2. Out of the following options which one can be used to produce a propag...

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  3. In an electromagnetic wave in free space the root mean square value of...

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  4. The magnetic field of an electromagnetic wave is given by: oversetB=...

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  5. The magnetic field of a plane electromagnetic wave is given by: vec(B)...

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  6. A monochromatic beam of light has a frequency v = 3/(2pi) xx 10^(12) H...

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  7. An electromagnetic wave of v=3 MHz passes from vacuum into die...

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  8. A plane electromagnetic wave of wavelength lambda has an intensity I. ...

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  9. The rms value of the electric field of the light from the sun is 720 N...

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  10. An electromagnetic wave in vacuum has the electric and magnetic field ...

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  11. The magnetic field in a travelling electromagnetic wave has a pe...

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  12. During the propagation of electromagnetic waves in a medium :

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  13. Match List-I (Electromagnetic wave type) with List-II (Its association...

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  14. For plane electromagnetic waves propagating in the z-direction , which...

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  15. Consider an electromagnetic wave propagating in vacuum. Choose the cor...

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  16. An electromagnetic wave travelling in the X- direction has freqe...

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  17. Microwave oven acts on the principle of :

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  18. Magnetic field in a plane electromagnetic wave is given by v...

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  19. The electric field of a plane electromagnetic wave propagating along t...

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  20. An EM wave from air enters a medium .The electric fields are ...

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