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Among the following conditions which one...

Among the following conditions which one is an essential condition for Fresnel diffraction?

A

source and screen will remain at infinite distance from the slit

B

either source or screen will remain at infinite distance from the slit

C

neither source nor screen will remain at infinite distance from the slit

D

none of the above

Text Solution

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The correct Answer is:
C
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CHHAYA PUBLICATION-DIFFRACTION AND POLARISATION OF LIGHT-EXERCISE (MULTIPLE CHOICE QUESTIONS)
  1. Which of the following does not support the corpuscular nature of ligh...

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  2. Maximum diffraction takes place in case of

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  3. Among the following conditions which one is an essential condition for...

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  4. In single slit diffraction of light of wavelength lambda, angular widt...

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  5. In the diffraction of light of wavelength lambda at a single slit of w...

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  6. The width of single slit diffraction fringes varies

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  7. If width of the slit is increased, what changes would be there in line...

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  8. In a single slit (width = a) diffraction of light of wavelength lambda...

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  9. In a single slit experiment, angular width of the first minimum obtain...

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  10. A beam of light of wavelength 900 nm from a distant source falls on a ...

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  11. The width of diffraction band is

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  12. In a single slit Fraunhofer diffraction experiment, the wavelength of ...

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  13. In a single slit experiment, a beam of parallel monochromatic light fa...

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

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

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

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  17. Resolving power of a microscope is

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

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

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

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