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Which of the following statements is not...

Which of the following statements is not correct?

A

photographic plates are sensitive to infrared rays

B

photographic plates are sensitive to ultraviolet rays

C

Infra-red-rays are invisible but can cast shadows like visible light

D

infrared photons have more energy then phtotons of visible light

Text Solution

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The correct Answer is:
D
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NARAYNA-ELECTRO MAGNETIC WAVES-C.U.Q
  1. Select wrong statement from the following - Electomagnetic waves

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  2. The waves related to telecommuni-cation are-

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  3. The nature of electromagnetic wave is-

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  4. The frequencies of X-rays, gamma-rays and ultraviolet rays are respect...

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  5. The electromagnetic wave of frequency 2 MHz to 30 MHz are

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  6. Maxwell's equations describe the fundamental laws of

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  7. Which of the following statements is not correct?

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  8. Radio waves and visible light in vacuum have

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  9. Energy stored in electromagnetic osicllations is in the form of

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  10. Which of the following is not an electromagnetic wave?

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  11. Total energy of EM waves in free space is given by

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  12. Which of the following waves have the maximum wavelength?

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  13. Electrimagnetic waves are transverse is nature is evident by

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  14. Which of the following are not electromagnetic waves ?

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  15. Let vecE, vecB and vecC represent the electric field, magnetic field a...

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  16. A radiation of energy E falls normally on a perfctly refelecting surfa...

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  17. An em wave going through vacuum is described by E=E0sin(kx-omegat) B...

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  18. The frequency of visibile light is of the order of

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  19. Which of the following wavelenght falls in X-rays region?

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

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