Question

5.
At the first minimum adjacent to the central
maximum of a single-slit diffraction pattern, the
phase difference between the Huygen's wavelet
from the edge of the slit and the wavelet from the
mid-point of the slit is
:

(1)π/8 radian
(2) π/4 radian
(3)π/2 radian
(4) π radian
​

Answer 1

Answer:

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