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What is interference ? In Young's double...

What is interference ? In Young's double-slit experiment, show that the fringe width `beta` for interference fringes is `beta = (lambda D)/d`
Where D is the distance of the screen from the slit, d is the distance between two slits and `lambda` is the wavelength of light used.

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MODERN PUBLICATION-WAVE OPTICAL-Revision Exercises (Short Answer Questions)
  1. In a Young's double slit interference experiment, the ratio of intensi...

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  2. What is the relation between phase difference and path difference ? Th...

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  3. The ratio of amplitude of two waves producing interference pattern is ...

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  4. Explain what is meant by diffraction of light. Describe a simple exper...

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  5. (i) Write the condition under which light source can be said to be coh...

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  6. (a) If one of two identical slits producing interference in Young's ex...

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  7. What is interference ? In Young's double-slit experiment, show that th...

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  8. Fig. shows an experimental set up simillar to Young's double slit expe...

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  9. (a) The ratio of the widths of two slits in Young's double-slit experi...

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  10. In Young's double slit experiment, what is the effect on the interfern...

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  11. For a single slit of width ''a'' the first minimum of the interference...

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  12. (a) Show using a proper diagram how unpolarised light can be linearly...

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  13. What is meant by diffraction of light? Show graphically the relative i...

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  14. (a) Write the factors by which the resolving power of a telescope can ...

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  15. Resolving power of a microscope is

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  16. What will be the ratio of the resolving powers of two convex lenses us...

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  17. State and explain Brewster's law of polarization.

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  18. What is polarisation of light? Explain polarisation by scattering.

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  19. What are polaroids? Give their applications.

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  20. (a) Using the phenomenon of polarisation, show how transverse nature o...

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