The fraunhofer diffraction pattern of a single slit is formed at the focal plane of a lens of focal length 1 m. The width of the slit is 0.3 mm. If the third minimum is formed at a distance of 5 mm from the central maximum then calculate the wavelength of light.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
For minima, we have
is small 
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