In young's double slit experiment the angular width of a fringe formed on a distant screen is 1o. The wavelength of light used is 6000 Ao. What is the spacing between the slits?
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a
0.034 mm
b
0.108 mm
c
1.08 mm
d
0.1344 mm
answer is A.
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Detailed Solution
Angular width of fringe (in radian)=λd∴ π180=6000×10−10d⇒d=0.034 mm
In young's double slit experiment the angular width of a fringe formed on a distant screen is 1o. The wavelength of light used is 6000 Ao. What is the spacing between the slits?