Two parallel slits 1 millimetre apart are placed 1 metre away 6-om the – McqOptions

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1.	Two parallel slits 1 millimetre apart are placed 1 metre away 6-om the screen. What is the fringe separation due to interference effect, when a beam of wavelength 500 nanometres is incident on them?
A.	5.0 mm
B.	0.5 mm
C.	5.0 cm
D.	0.05 mm
Answer» C. 5.0 cm

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