A single slit is illuminated by light of wavelength 6000 Ã…. The slit width is 0.1 cm and the screen is placed 1 m away. The angular position of `10^(
A single slit is illuminated by light of wavelength 6000 Ã…. The slit width is 0.1 cm and the screen is placed 1 m away. The angular position of `10^(th)` minimum in radian is
A. `2 xx 10^(-4)`
B. `6 xx 10^(-3)`
C. `3 xx 10^(-3)`
D. `1 xx 10^(-4)`
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Correct Answer - B
Here, `n=10,lambda=6000 Ã…=6xx10^(-7)m,`
`d=0.1cm=10^(-3)m`
Angular position of `10^(th)` minima,
`theta=(n lambda)/(d)=(10xx6xx10^(-7))/(10^(-3))=6xx10^(-3)`rad
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