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In a single slit experiment, the width o...

In a single slit experiment, the width of the slit is reduced to half. To keep the width of central maximum same, what is to be done of the following?

A

the distance between the slit and the screen is to be reduced to half

B

the distance between the slit and the screen is to be reduced to one-fourth

C

the distance between the slit and the screen is to be doubled

D

nothing to be done, as width of centra maximum does not depend upon the width of the slit

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A
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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (MULTIPLE CHOICE QUESTIONS)
  1. In a single slit experiment, a beam of parallel monochromatic light fa...

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

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

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

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  5. Resolving power of a microscope is

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  6. For minimum angular distance between two stars, which a telescope can ...

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

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

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

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

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

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

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

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

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

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

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

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

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  19. If mu(O) and mu(E ) be the refractive indices of the crystal for O-ray...

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  20. In double refraction we get two refracted rays, i.e., O-ray and E-ray....

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