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In double slit experiment, the point on ...

In double slit experiment, the point on the screen where `3^(rd)` order dark fringe from central position is obtained, phase difference between two waves will be .....

A

`3pi`

B

`4pi`

C

zero

D

`5pi`

Text Solution

Verified by Experts

The correct Answer is:
D
Phase difference in dark fringe `=(2n-1)pi=5pi`
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KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. In Young's experiment, dark fringe of 5th order is obtained at point P...

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  2. In Young's experiment distance between 5^(th) dark fringe and 3rd brig...

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  3. In double slit experiment, the point on the screen where 3^(rd) order ...

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  4. If path difference between two wave superposing at a point is (3)/(2) ...

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  5. In Young's experiment distance between two consecutive dark fringes is...

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  6. If white light is used instead of sodium light in the Young's experime...

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  7. only the central fringe will be white, all other will look colourful. ...

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  8. In Young's experiment if mica disc of thickness t and refractive index...

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  9. A glass plate of thickness d and refractiv index n is placed on the pa...

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  10. In the Young's double slit experiment, the slits are 0.4 cm apart and ...

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  11. 92 fringes are obtained in the definite distance R on screen by Young'...

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  12. In Young's slit experiment, if the distance between two slits is halve...

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  13. In the Young's experiment, when a plate of thickness lambda and refrac...

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  14. In a Young's experiment, the width of one of the two slits is double t...

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  15. Young's double slit experiment is made in a liquid. The 10th bright fr...

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  16. If the two slits in Young's double slit experiment have width ratio 1:...

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  17. The phenomena of light passes through sleet and bends at edges of slit...

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  18. ...... found the phenomena of diffraction.

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  19. Proportion of diffraction by slit .......

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  20. If (lambda)/(a) gt 1. , then amount of diffraction

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