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In Young's double-slit experment, the fr...

In Young's double-slit experment, the frist maxima is observed at a fixed point P on the screen. Now, the screen is continously moved away from the plane of slits. The ratio of intensity at point P to the intensity at point O (center of the screen)

A

remains constant

B

keeps on decreasing

C

first decreases and then increases

D

First decreases and then becomes constant

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The correct Answer is:
C
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AAKASH SERIES-WAVE OPTICS-LECTURE SHEET EXERCISE-I (LEVEL -II) (ADVANCED )staright Objective Type Questions
  1. In a YDSE, the central beight fringe can be indentified:

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  2. In Young's double slit experiment, the two slits acts as coherent sour...

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  3. In Young's double-slit experment, the frist maxima is observed at a fi...

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  4. In a double-slit experiment, instead of taking slits of equal width, o...

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  5. In a YDSE , if the silts are of unequal widths,

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  6. In an interference arrangement similar to Young's double-slit experime...

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  7. Let S(1) and S(2) be the two slits in Young's double-slit experiment. ...

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  8. M(1) and M(2) are plane mirrors and kept parallel to each other. At po...

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  9. White coheral light (400 nm 700 nm ) is sent through the slit of a Yo...

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  10. In this problem , which wavelength (s) will have a strong intensity if...

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  11. Consider the arrangement shown in figure. By some mechanism, the sep...

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  12. Plane microwaves from a transmitter are directed normally towards a pl...

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  13. Consider the situation shown in figure. The two slits S1 and S2 placed...

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  14. In a Young's double slit experiment green light is incident on the two...

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  15. A plate of thickness t made of a material of refractive index mu is pl...

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  16. A mica strip and a polysterence strip are fitted on the two slite of ...

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  17. A mica strip and a polysterence strip are fitted on the two slite of ...

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  18. YDSE is carried out in a liquid of refractive index mu=1.3 and a thin ...

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  19. In the above problem, find the distances of fourth maxima from 'O'.

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  20. In a YDSE experiment if a slab whose refractive index can be varied is...

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