ntIn a single slit diffraction of light of wavelengths by a slit of width e,the size of the central maximum on a screen at a distance b is?n

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Q. In a single slit diffraction of light of wavelength

λ

by a slit of width

e

, the size of the central maximum on a screen at a distance

b

is :

Light of wavelengths $λ$ is incident on a slit of width d. The resulting diffraction pattern is observed on a screen at a distance D. The linear width of the principal maximum is equal to the width of the slit if D equals

Q. For a parallel beam of monochromatic light of wavelength

^{'} λ^{'}

, diffraction is produced by a single slit whose width 'a' is of the order of the wavelength of the light. If 'D' is the distance of the screen from the slit, the width of the central maxima will be

Q. A single slit of width

0.1 m m

is illuminated by a parallel beam of light of wavelength

6000 ˚ A

and diffraction bands are observed on a screen

0.5 m

from the slit. The distance of the third dark band from the central bright band is :

Q. Light of wavelength

λ

is incident on slit of width

d

. The resulting diffraction pattern is observed on a screen placed at distance

D

. The linear width of central maximum is equal to width of the slit, then

D =

_________

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