The convex surface of radius of curvature 300cm of a planoconvex lens rests on the concave spherical surface of radius 400cm. If newton’s rings are viewed with reflected light of wavelength 6×10-5 cm. Calculate (i) the diameter of the 12th dark ring and 13th bright ring, (ii) the difference of squares of the diameters of successive rings.
The convex surface of radius of curvature 300cm of a planoconvex lens rests on the concave spherical surface of radius 400cm. If newton’s rings are viewed with reflected light of wavelength 6×10-5 cm. Calculate (i) the diameter of the 12th dark ring and 13th bright ring, (ii) the difference of squares of the diameters of successive rings.
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The convex surface of radius of curvature 300cm of a planoconvex lens rests on the concave
spherical surface of radius 400cm. If newton’s rings are viewed with reflected light of wavelength
6×10-5
cm. Calculate (i) the diameter of the 12th dark ring and 13th bright ring, (ii) the difference of
squares of the diameters of successive rings.
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