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Two coherent sources must have the same...

Two coherent sources must have the same

A

amplitude

B

phase difference

C

frequency

D

both (B) and (C)

Text Solution

Verified by Experts

The correct Answer is:
D

From the definition of coherent source.
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ALLEN -WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. The resultant amplitude in interference with two coherent sources depe...

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  2. The Phenonmenon of interfernece is observed-

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  3. Two coherent sources must have the same

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  4. For the sustained interference of light, the necessary condition is th...

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  5. If the ratio of the intensity of two coherent sources is 4 then the vi...

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  6. Two monochromatic and coherent point sources of light are placed at a ...

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  7. If the distance between the first maxima and fifth minima of a double-...

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  8. In Young's slit experiment, if the distance between two slits is halve...

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  9. 92 fringes are obtained in the definite distance R on screen by Young'...

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  10. In Young's experiment one slit is covered with a blue filter and the o...

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  11. In Young's experiment if mica disc of thickness t and refractive index...

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  12. In Young's double slit experiment if monochromatic light is replaced b...

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  13. In the Young's double slit experiment the central maxima is observed t...

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  14. As shown in the right figure, a point light source is placed at distan...

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  15. If one of the two slits of Young's double-slit experiment is painted s...

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  16. InYDSE,how many maxima can be obtained on the screen if wavelength of ...

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  17. In YDSE, the source placed symmetrically with respect to the slit is n...

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  18. A light wave travels through three transparent materials of equal thic...

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  19. In YDSE if a slab whose refractive index can be varied is placed in fr...

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  20. In a double slit experiment, instead of taking slits of equal widths, ...

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