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Two coherent point sources `S_1 " and "S_2` vibrating in phase light of wavelength `lambda`. The separation between them is `2lambda` as shown in figure. The first bright fringe is formed at .P. due to interference on a screen placed at a distance .D. from `S_(1)" "(D gt gt lambda)`, then OP is

A

`sqrt(2)D`

B

`1.5 D`

C

`sqrt(3)D`

D

`2D`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-WAVES OPTICS-EXERCISE -III (DOPPLER EFFECT IN LIGHT, INTERFERENCE)
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  7. In Young's experiment interference bands are produced on the screen pl...

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  8. The two coherent sources of equal intensity produce maximum intensity ...

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  9. The ratio of the intensities at minima to maxima in the interference p...

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  10. Two coherent monochromatic light sources are located at two vertices o...

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  11. In Young's double slit experiment S(1) and S(2) are two slits. Films o...

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  12. In a Young's double slit experiment using monochromatic light, the fri...

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  13. When a thin transparent plate of Refractive Index 1.5 is introduced in...

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  14. Two coherent point sources S1 " and "S2 vibrating in phase light of wa...

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  15. A transparent glass plate of thickness 0.5 mm and refractive index 1.5...

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  16. In the Young's double slit experiment using a monochromatic light of w...

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  17. YDSE is carried with two thin sheets of thickness 10.4mu m each and r...

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  18. In the Young's double slit experiment, the intensity of light at a poi...

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  19. In Young.s double slit experiment, the slits are 2mm apart and are ill...

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  20. In a Young.s interference experimental arrangement, the yellow light i...

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