What will be the angle of diffracting for the first minimum due to Fra – McqOptions

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1.	What will be the angle of diffracting for the first minimum due to Fraunhoffer diffraction with sources of light of wave length 550 nm and slit of width 0.55 mm [Pb. PMT 2001]
A.	0.001 rad
B.	0.01 rad
C.	1 rad
D.	0.1 rad
Answer» B. 0.01 rad

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