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Two sources of light are said to be cohe...

Two sources of light are said to be coherent if the waves produced by them have the same

A

wavelength

B

amplitude

C

wavelength and amplitude

D

wavelength and a constant phase difference

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The correct Answer is:
D
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CP SINGH-WAVE NATURE OF LIGHT-EXERCISES
  1. Which of the following sources gives best mionochromatic light?

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  2. A laser beam is used for carrying our surgery because it

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  3. Two sources of light are said to be coherent if the waves produced by ...

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  4. To deminstrate the phenimenon of interference, we require two sources ...

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  5. For the sustained interference of light, the necessary condition is th...

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  6. Four light waves are represented by i. y=a1sin omegat ii. y=a2sin(o...

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  7. Young's experiment establishes that

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  8. The phenomenon of interference is shown by

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  9. In the interference pattern, energy is

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  10. For observing sustained interferencr with good contrast, which of the ...

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  11. The contrast in the fringes in an interference pattern depends on

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  12. A Young's double slit experiment uses a monochromatic source. The shap...

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  13. If two slightly, different wavelengths are present in the light used i...

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  14. A beam of electron is used YDSE experiment . The slit width is d when ...

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  15. If three slits are used in Young's experiment instead of two, we get

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  16. If a torch is used in place of monochromatic light in Young's experime...

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  17. If the source of light used in a young's double slit experiment is cha...

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  18. A double-slit interference experiment is set up in a chamber that can ...

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  19. Light of wavelength lambda in air enters a medium of refractive index ...

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  20. Ratio waves originating from sources S(1) and S(2) having zero phase d...

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