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Grade 12Wave Optics

a biconvex lens of central theckness 3 cm and refractive index = 1.5 has radii of curvature 10cm and 15cm respectively. ti viewed from one side and the other side. the differemce om apparent thickness is ( in cm)?

Profile image of B.R. BIRLA PUBLIC SCHOOL CBAT
15 Years agoGrade 12
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1 Answer

Profile image of SAGAR SINGH - IIT DELHI
15 Years ago

Dear student,

First use the thin lens equation to solve for the focal length of the lens:

LaTeX Code: 1/o + 1/i = 1/f