Question

the fraunhoffer diffraction pattern of a single slit is formed in the focal plane of a lens of focal length 1 m .the width of slit is 0.3 mm . if third minimum is formed at a distance of 5 mm from central maximum then wavelength of light will be

a)5000A°
b)2500A°
c)7500A°
d)8500A°

please answer this question urgently
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Answer 1

Answer:

C is a correct answer mark me as a brilliant plz please

Answer 2

Answer:

a)5000A'

Explanation:

formula=a×y/3D

0.3×10POWER-3×5×10POWER-3/3×1