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If white light is used instead of sodium...

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

A

all fringes will appear dark.

B

all bright fringes will appear white

C

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

D

none of these

Text Solution

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The correct Answer is:
C
Using `beta=(lambda)/(d)`
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KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
  1. If path difference between two wave superposing at a point is (3)/(2) ...

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

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

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

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

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

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

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  8. 92 fringes are obtained in the definite distance R on screen by Young'...

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

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

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

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

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

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

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  15. ...... found the phenomena of diffraction.

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  16. Proportion of diffraction by slit .......

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

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  18. Condition for maximum diffraction is

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  19. .... can't be explained by ray optics.

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  20. If diffraction pattern obtained by using violet light instead of patte...

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