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To obtain a sustained iterference patter...

To obtain a sustained iterference pattern, we requie two sourece which emit radiation of

A

the same frquency

B

nearly the same frequency

C

the same frequency and have a defined phase relationship

D

different wavelenghths

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The correct Answer is:
C
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NIKITA PUBLICATION-INTERFERENCE AND DIFFRACTION-MULTPLE CHOICE QUESTIONS
  1. Interference fringes are obtained due to the interference of wave from...

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  2. The interference patter in which the positions of maximum and minimum...

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  3. To obtain a sustained iterference pattern, we requie two sourece which...

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  4. Two sources of waves are called coherent if

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

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  6. A monochromatic visible light, consiSt of

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  7. If the intensities of the two interfering beam in Young's double-slit ...

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  8. Two coherent sources must have the same

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  9. For steady interference, two two sources of light must be

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  10. A source of light is said to be monochromatic if it will emit light wa...

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  11. Which of the following sources of light is monochromatic source ?

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  12. Two independent sources of light will not produce steady interference ...

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  13. The devices which produces highly coherent sourcei is

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  14. In order to avoid overlapping of interference frings and their obliter...

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  15. Two sources of light are said to be equally bright if they will emit w...

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

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  17. For good contrast between and minima in inteference pattern two source...

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  18. Two avoid the overlapping of maximum and minima in interference patter...

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  19. Interference of light was first of all experimentally observed by

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  20. Young's experiment proves that light consist of

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