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Two identical light sources S1 and S2 em...

Two identical light sources `S_1` and `S_2` emit light of same wavelength `lambda`. These light rays will exhibit interference if

A

their phase difference remain constant

B

their phases are distributed randomly

C

their light intensities remain constant

D

their light intensities change randomly

Text Solution

Verified by Experts

The correct Answer is:
A
For phenomenon of interference it is necessary that there should be a constant phase difference between two light rays
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DC PANDEY ENGLISH-WAVE OPTICS-Check point
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  3. Two identical light sources S1 and S2 emit light of same wavelength la...

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  4. Which of the following is conserved when light waves interfere

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  7. If the two waves represented dy y(1)=4cos omegat and y(2)=3 cos(omegat...

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  8. Two coherent sources of intensities I1 and I2 produce an interference ...

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  9. Which of the following is the path difference for destructive interfer...

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

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  11. Two sources of sound of the same frequency produce sound intensities I...

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  12. Two incoherent sources of intensities l and 4l superpose then the resu...

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

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  14. Which of the following is not an essential condition for interference?

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  15. In Young's double slit experiment, an interference pattern is obtained...

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  16. In Young's double slit experiment, when two light waves form third min...

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  17. Two slits are separated by a distance of 0.5 mm and illuminated with l...

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  18. Fringe width decrease with increase in

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  19. In a Young's double slit experiment, the fringe width will remain same...

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  20. Interference was observed in interference chamber when air was present...

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