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For the sustained interference of light,...

For the sustained interference of light, the necessary condition is that the two sources should

A

haveconstant phase difference only

B

be narrow

C

be close to each other

D

be of same amplitude with constant phase difference

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The correct Answer is:
D
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NARAYNA-WAVE OPTICS-C . U . Q (interference)
  1. Interference fringes in Young's double slit experiment with monochroma...

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  2. The necessary condition for an interference by two sources of light is...

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

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  4. When interference of light takes place

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  5. Which of the following is conserved when light waves interfere

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  6. The path difference between two interfering waves at a point on screen...

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  7. Interference is produced with two coherent sources of same intensity. ...

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  8. For constructive interference between two waves of equal wavelength, t...

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  9. Two coherent waves each of amplitude 'a' traveling with a phase differ...

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  10. In young's experiment of double slit, the number of times the intensit...

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

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  12. The contrast in the fringes in any interference pattern depends on:

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  13. If monochromatic red light is replaced by green light the fringe width...

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  14. Interference was observed in interference chamber, when air was presen...

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  15. In young's experiment with white light central fringe is white. If now...

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  16. In young's double slit experiment the slits are of different length an...

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  17. In a double slit experiment, instead of taking slits of equal widths, ...

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  18. When the width of slit aperture is increased by keeping 'd' as constan...

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  19. When viewed in white light, soap bubbles show colours because of

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  20. When petrol drops from a vehicle fall over rain water on road surface ...

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