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In Yound's double slit experiment,wer ge...

In Yound's double slit experiment,wer get 15 fringes per cm on the screen,while using light of wavelength `5,600 overset @A` (sodium lamp).How many fringes per cm we get with ligth of wavelength `7,000 overset@A`?

A

18

B

15

C

12

D

10

Text Solution

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. When ligh wave suffers reflection at the interface between air and gla...

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  2. Two sources of light of wavelenghs 2.500 overset @A and 3,500 overst @...

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  3. In Yound's double slit experiment,wer get 15 fringes per cm on the scr...

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  4. If white light is used in the Newton's ring s experiment ,the color ob...

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  5. Why does the colour of the oil fim on the surface of water continously...

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  6. Bending of light into regoins of geometrical shadow is called:

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  7. The width of the difraction band varies

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  8. A beam of light of wavelength 600 nm from a distant source falls on a ...

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  9. A paper,with two marks havin separation d,is held normal to the line o...

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  10. The diameter of the objective lens of the telescoe is 5 m and waveelne...

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  11. Diameter of human eye lens is 2 mm.What will be the minimum distance b...

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  12. The fact that ligth is a transverse wave in nature derives irts eviden...

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  13. Light waves are transverse, because they:

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  14. Which one proves transverse nature of waves?

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

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  16. Which one of the following statement is true?

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  17. Which one of the following does not show polarisation?

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  18. Refractive index of a maerial is equal to tangent of polarising angle....

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  19. Polarised light can be produced by

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  20. An unpolarised beam of light of intensity I0 is incident on a combina...

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