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Two waves of the same equency and inteni...

Two waves of the same equency and intenisty superimpose with each other in opposite phases .After the superposition,the

A

intensity increases y 4 times

B

intensity increases by 2 tiems

C

frequncy increases bby 4 times

D

none of these.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Hiygens' concept of secondary waves

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  2. In the ineterference pattern,the energy is

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  3. Two waves of the same equency and intenisty superimpose with each othe...

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  4. Two waves,whose inensitites re 9:16 are made to inrterefere.The ratio ...

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  5. Two waves have intenstities in the ratio of 1:9.If these waves produce...

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  6. When ligh wave suffers reflection at the interface between air and gla...

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

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

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

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

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

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  12. The width of the difraction band varies

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

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

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

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

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

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  18. Light waves are transverse, because they:

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  19. Which one proves transverse nature of waves?

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

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