In Young's double-slit experiment, an interference pattern is obtained – McqOptions

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1.	In Young's double-slit experiment, an interference pattern is obtained on a screen by a light of wavelength\[6000\,\,{AA}\], coming from the coherent sources S1 and S2. At certain point P on the screen third dark fringe is formed. Then the path difference S1P ? S2P in microns is [EAMCET 2003]
A.	0.75
B.	1.5
C.	3
D.	4.5
Answer» C. 3

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