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In a single slit experiment, a beam of p...

In a single slit experiment, a beam of parallel monochromatic light falls on a slit perpendicularly. A diffraction fringe is produced on a screen kept perpendicular to the direction of propagation of light. What would be the phase difference of the two rays coming from two ends of the slit at the minimum of fringe.

A

0

B

`(pi)/(2)`

C

`pi`

D

`2pi`

Text Solution

Verified by Experts

The correct Answer is:
D
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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (MULTIPLE CHOICE QUESTIONS)
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  3. In a single slit experiment, a beam of parallel monochromatic light fa...

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  4. In a single slit experiment, the width of the slit is reduced. The lin...

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  5. In a single slit experiment, the width of the slit is reduced to half....

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  6. A narrow slit of 2 mm width is illuminated by a monochromatic light of...

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  7. Resolving power of a microscope is

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  9. An unpolarised light of intensity I(0) falls on a pair of Nicol prism....

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  10. A polaroid is inclined at an angle 45^(@) with the incident light of i...

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  11. Amplitude of unpolarised light on a polariser is a. Amplitude of polar...

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  12. When a light ray in air is incident on glass at 57^(@), the reflected ...

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  13. The Brewster's law in polarisation of light is

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  14. From Brewster's law it follows that the polarising angle depends on

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  15. The tangent of the polarising angle is equal to the refractve indices ...

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  16. A ray of light is incident on a glass. The reflected ray gets totally ...

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  17. Angle of polarisation for a medium is 60^(@). Critical angle for this ...

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  18. An unpolarised ray of light is incident on water surface. The incident...

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  19. Critical angle of a medium is sin^(-1)(0.6). The polarising angle for...

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  20. Brewster's angle at glass-air interface is 54.74^(@). If a ray of ligh...

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