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If the width of the slit S in Young's do...

If the width of the slit S in Young's double slit experiment is gradually increased

A

Bright fringes become brighter and dark fringes become darker

B

Bright fringes become less brighter , dark fringes become less dark

C

Bright fringes become brighter ,dark fringes lighter

D

Bright fringes become less bright , dark fringes darker .

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-WAVE OPTICS-LECTURE SHEET EXERCISE-I (LEVEL -I) (MAIN) straight objective Type Questions
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  2. To demonstrate the phenomenon of interference, we require two sources ...

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  3. In Young's double-slit experimetn, the intensity of light at a point o...

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  4. If an interference pattern produced by two identical slits, the intens...

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  5. Two coherent sources are placed 0.9 mm apart and the fringes are obser...

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  7. The ratio of the intensities at minima to maxima in Young's double sli...

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  8. If the width of the slit S in Young's double slit experiment is gradua...

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  9. The distance between the tew slits in a Young's double slit experiment...

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  10. A single slit is illuminated by light of wavelength 6000 Ã…. The slit ...

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  11. A double slit is illuminated by light of wave length 6000 Å. The slit ...

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  12. In young's double slit experiment the n^(th) red bright band coincides...

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

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

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

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

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