In Newtons
Ring using a
a Lens R= 100cm calculate the
Diameter of 20th breight
bright Frunge
with lamda= 5000 Armstrong
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Engineering Physics by Dr. Amita Maurya, Peoples University, Bhopal. > Unit-II >
Solved Problem Optics
1. Two coherent sources of intensity 10 w/m2 and 25 w/m2 interfere to from fringes. Find the ratio of maximum intensity to minimum intensity.
[May 2004, Set No. 1; May 2003, Set No. 2]
Sol: We know the intensity (I) = a2 [square of amplitude]
images
Ratio of Imax to Imin is
images
Explanation:
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