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What will be the effect on the interfere...

What will be the effect on the interferece fringes,if red light is replaced by blue light?

A

There is no change in the diffraction pattern

B

Diffraction frines become narrow and crowded together

C

Diffraction fringes become broader and farther apart

D

Diffraction pattern disappears.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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  2. If the diffraction pattern due to single slit of width a with incident...

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  3. What will be the effect on the interferece fringes,if red light is rep...

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  4. The interfernce phenomenon differs from diffraction in that unlike dif...

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  5. The resolution limit of the eye is 1 minute.At a distance x km from th...

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  6. Two points separated by a distance of 0.1 mm can just be inspected in ...

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  7. the limit of resolution of a 100 cm aperture telescope for light for w...

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  9. The aperture of the largest telescope in teh world is of the order of ...

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  10. Which of the following phenomenon shows the transverse nature of light...

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  11. The waves that cannot be polarised are:

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  12. When a polariod is rotated,the intenstiy of ligth is not found to vary...

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  13. What are plane of polarisation and plane of vibration?

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  14. In the propagation of ligth waves,the ngle between the direction of pr...

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  15. When the light is incident at the polarising angle ,which of the follo...

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  16. A ray of light is incident on a medium at polarising angle .What is th...

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  17. What is the polarising anle of a medium of refractive index sqrt3?

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  18. The expression relating polarising angle nad refrractive indes is

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  20. Suppose P is polarising angle for a transparent medium an the speed of...

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