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Two waves are said to be coherent, if th...

Two waves are said to be coherent, if they have

A

different frequency, and same phase

B

same frequency, and same phase

C

same frequency, but different phase

D

different frequency, and differenct phase

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The correct Answer is:
B
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AAKASH SERIES-WAVES OPTICS-EXERCISE -IA
  1. Nature of wave front depends on

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  2. When a light wave in a rarer medium is reflected from the surface of a...

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  3. Two waves are said to be coherent, if they have

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  4. Which of the following chemical is a base analogue ?

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  5. A pair of coherent sources may be

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  6. LASER light is considered to be coherent because it consists of

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  7. Choose the correct statement

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  8. The transverse nature of electromagnetic waves is proved by which of t...

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  9. Of the following which pair can be coherent sources

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  10. Which of the following is not a condensation polymer?

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  11. To demonstrate the phenomenon of interference, we require two sources ...

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  12. Interference is possible in

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  13. State one condition for obtaining a sustained interference of light.

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  14. Colours of soap film in sun light is due to

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  15. In Young.s double slit experiment sodium light is replaced by blue lam...

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  16. In Young.s double slit experiment the band width is minimum for the co...

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  17. If interference is complete or cent percent then the frequency of obse...

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  18. The graph between the separation of the slits and fringe width in Youn...

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  19. In Young.s double slit experiment both the slits are similar. If width...

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  20. The contrast in the fringes in any interference pattern depends on -

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