AIPMT | 2015Wave OpticsHard
Question
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 :
Options
A.
B.
C.
D.
Solution
Linear width of central maxima = D(2θ) = 2Dθ
= 2D λ/a
Hence Option (4)
= 2D λ/a
Hence Option (4)
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