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Which of the following is not an essenti...

Which of the following is not an essential condition for interference?

A

The two interfering waves must propagation in almost the same direction

B

The waves must propagation in almost the same direction

C

The amplitudes of the two waves must be equal

D

The two interfering beams of light must originate from the same source

Text Solution

Verified by Experts

The correct Answer is:
C
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DC PANDEY-WAVE OPTICS-Check point
  1. Two incoherent sources of intensities l and 4l superpose then the resu...

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

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  3. Which of the following is not an essential condition for interference?

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  4. In Young's double slit experiment, an interference pattern is obtained...

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  5. In Young's double slit experiment, when two light waves form third min...

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  6. Two slits are separated by a distance of 0.5mm and illuminated with li...

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  7. Fringe width decrease with increase in

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  8. In a Young's double slit experiment, the fringe width will remain same...

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  9. Interference was observed in interference chamber when air was present...

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  10. Monochromatic green light of wavelength 5 xx 10^(-7) m illuminates a ...

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  11. In double slits experiment, for light of which colour the fringe width...

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  12. The Young's double slit experiment is performed with blue light and gr...

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  13. In Young's double slit experiment, green light (lambda=5461Å) is used ...

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  14. In Young's double-slit experiment, if the monochromatic source of ligh...

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  15. In the Young's double slit experiment, the interference pattern is fou...

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  16. What happens to the fringe pattern if in the path of one of the slits ...

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

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  18. In a Young's double-slit expriment using identical slits, the intensit...

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  19. When a transparent parallel plate of uniform thickness t and refractiv...

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  20. A thin mica sheet of thickness 2xx10^-6m and refractive index (mu=1.5)...

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