Two sources of light `0.85` mm apart are illuminated by a light of wavelenths, 6000Å . The phase difference between the two waves intefering on screen
Two sources of light `0.85` mm apart are illuminated by a light of wavelenths, 6000Å . The phase difference between the two waves intefering on screen,.1.7 m away from the slite at a point 2.5 mm from the central bright band is nearly.
A. 13 radians
B. 12 radians
C. 14 radians
D. 11 radians
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Correct Answer - A
Phase diff. `=(2pi)/(lamda)xx"Path diff",=(2pi)/(lamda)xx(xd)/(D)`
=13.08 radians
`=~~13` radians
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