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The decreasing order of wavelength of in...

The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is

A

Infrared microwave ultraviolet gamma rays

B

Microwave infrared, ultraviolet ,gamma raays

C

Gamma rays ,ultra violet , infrared , microwaves

D

Microwaves , gamma rays , infrared , ultraviolet

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The correct Answer is:
D
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NARAYNA-ELECTROMAGNETIC WAVES -EXERCISE -3 PREVIOUS YEAR QUESTIONS
  1. Voltage of modulating wave of 5 V with 10 MHz frequency was superimpos...

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  2. The electric and the magnetic field, associated with an e.m. wave prop...

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  3. The decreasing order of wavelength of infrared, microwave, ultraviolet...

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  4. Which of the following statement is false for the properties of electr...

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  5. The electric field on an electromagnetic wave in free space is given b...

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  6. The electric field part of an electromagnetic wave in a medium is repr...

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  7. If nu(s),nu(x) and nu(m) are the speeds of gamma rays X- rays and micr...

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  8. The velocity of electromagnetic radiatior in a medium of permittivity ...

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  9. The velocity of electromagnetic radiatior in a medium of permittivity ...

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  10. The electric and magnetic field of an electromagnetic wave is

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  11. Which wavelength of sun is used finally as electric energy ?

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  12. The pressure exerted by an electromagnetic wave of intensity l ("watt/...

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  13. Velocity of light is equal to

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  14. Light propagates rectilinearly because of its

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  15. X-ray beams are affected by

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  16. A light of intensity I(0) passes through a material of thickness d. Th...

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  17. ‘SONAR’ emits which of the following waves

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  18. Energy is not carried by which of the following waves

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  19. Light appears to travel in straight lines since

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  20. According to Maxwell's hypothesis, a changing electrio field gives ris...

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