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Two sources of waves are called coherent...

Two sources of waves are called coherent if

A

Both have same amplitude of vibration

B

Both produce waves of same wavelength

C

Both produce waves of the same wavelength having constant phase difference

D

Both produce waves having same velocity

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The correct Answer is:
C
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AAKASH INSTITUTE-WAVE OPTICS-Assignment (Section-A (objective type question(one option is correct)))
  1. Two coherent source of light can be obtained by

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  2. The idea of secondary wavelets for the propagation of a wave was first...

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  3. Two sources of waves are called coherent if

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  4. Wavefront means

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  5. Two coherent monochromatic light beams of intensities I and 4I are sup...

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  6. Two identical light waves, propagating in the same direction, have a p...

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  7. For constructive interference to take place between two monochromatic ...

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  8. Wavefront of a wave has direction with wave motion

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  9. If the amplitude ratio of two sources producing interference is 3 : 5,...

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  10. Rays diverge from a point source of a wavefront that is

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  11. Young's experiment establishes that

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  12. Monochromatic green light of wavelength 5 xx 10^(-7) m illuminates a ...

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  13. In Young's double slit interference experiment, the slit separation is...

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  14. In Young's double-slit experiment, the separation between the slits is...

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  15. The maximum intensity of fringes in Young's experiment is I. If one of...

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  16. In a Young's double slit experiment, the central point on the screen i...

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  17. In a Young's double slit experiment, the fringe width is found to be 0...

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  18. In YDSE, d = 2 mm, D = 2 m, and lambda = 500 nm. If intensities of two...

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  19. In a Young's double slit experiment the intensity at a point where tha...

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  20. Two slits, 4 mm apart, are illuminated by light of wavelength 6000 Å. ...

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