In young’s double slit experiment between slits is 0.2 mm and they are 1 m from the screen. Find the distance between 8th maxima and 12th minima, if wavelength of light used is 500 nm.
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a
2 mm
b
2.5 mm
c
8.75 mm
d
12.75 mm
answer is C.
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Detailed Solution
The distance between 12th minima and 8th maxima, = 11.5Ddλ−8Ddλ =3.5Ddλ =3.5×10.2×10−3×500×10−9 =8.75 mm
In young’s double slit experiment between slits is 0.2 mm and they are 1 m from the screen. Find the distance between 8th maxima and 12th minima, if wavelength of light used is 500 nm.