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Which of the following electromagnetic r...

Which of the following electromagnetic radiations is used for viewing through haze and fog

A

Radiowave

B

Infrared wave

C

Microwave

D

Mattor wave

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-ELECTROMAGNETIC WAVES-ASSIGNMENT (SECTION-A)(OBJECTIVE TYPE QUESTIONS (ONE OPTIONE IS CORRECT)
  1. Displacement current is maximum during charging of capacitor. When cha...

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  2. Electromagnetic wave is produced by

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  3. Which of the following electromagnetic radiations is used for viewing ...

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  4. Electro magnetic waves travel in a medium with speed of 2xx10^(8)m//se...

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  5. If electric field is changing at rate of 6xx10^(6) V/ms between the pl...

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  6. An electromagnetic radiation has an energy of 13.2 keV. Then the radia...

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  7. Electromagnetic waves are produced by

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  8. An electromagneti wave propagationg through vacuum is given B=B(0)sin(...

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  9. If in a region there is a time varying electrinc field then which of t...

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  10. Displacement current goes through the gap between the plates of a capa...

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  11. Which of the following rays is not an electromagnetic wave?

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  12. An electronmagnetic wae propagating along x-axis then oscillating elec...

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  13. Hertz's expriment confirm that

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  14. The dimensional formula of radiation pressure is

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  15. An electromagnetic wave is propagating in vacuum along z-axis, the ele...

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  16. The part of electromagnetic spectrum referred as heat wave is

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  17. Welders wear special glass goggles or facemask with glass window to pr...

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  18. The momentum carried by E-M waves in vaccum is P, then energy associat...

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  19. The essential distinction between X - rays and gamma - rays is that

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  20. In a plane electromagnetic wave the electric field osciliates sinusoid...

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