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प्रश्न
In a double slit experiment, the two slits are 2 mm apart and the screen is placed 1 m away. A monochromatic light of wavelength 500 nm is used. What will be the width of each slit for obtaining ten maxima of double slit within the central maxima of single slit pattern?
पर्याय
0.4 mm
0.1 mm
0.5 mm
0.04 mm
MCQ
उत्तर
0.4 mm
Explanation:
`(10lambda"D")/"d" = (2lambda"D")/"a"`
`Rightarrow "a" = (2"d")/10 = 0.2"d" = 0.2 xx 2 "mm" = 0.4 "mm"`
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