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Prove that ratio of the intensities at m...

Prove that ratio of the intensities at maxima and minima is
(I_(max))/(I_(min))=((r+1)/(r-1))^2`, Where `r=a_1/a_2` is the ratio of amplitudes.

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BINA LIBRARY-OPTICS -II-EXERCISE
  1. What are coherent source of light? Why no interference pattern is obs...

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  2. What is the effect on the interference fringes in Young's double slit ...

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  3. Prove that ratio of the intensities at maxima and minima is (I(max))/...

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  4. State two important differences between interference and diffraction.

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  5. What is resolving power? Give an expression for resolving power of a t...

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  6. Give an expression for the resolving power of microscope.

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  7. What is concave mirror ?

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  8. What is convex mirror?

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  9. Explain the phenomenon of 'redshift' qualitatively.

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  10. State and explain Brewster' law.

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  11. Explain the phenomenon of double refraction.

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  12. Define Reflection of light.

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  13. Describe Young's double slit experiment and determine the conditions f...

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  14. Find the expression of fringe-width beta= (lambdaD)/d for Young's doub...

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  15. What are coherent source of light? Why no interference pattern is obs...

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  16. What is interference of light? Write two essential conditions for sust...

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  17. What is diffraction of light?

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  18. What is meant by plane polarised light. What type of wave show these p...

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  19. Describe a method of producing plane polarised light.

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  20. Define the term 'linearly polarised light' . When does the intensity o...

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