Q)
(chatquestion)...Light of wave length 6000 Á is incident normally on a
slit. The first minima of the diffraction pattern is observed
to lie at a distance of 5 mm from the central maxima on a
screen placed at a distance of 2 m from the slit. Calculate
[Ans. 2-4 x 10-2 cm]
the width of slit.
...
