Debankur Basak Asked a Question
April 29, 2020 10:39 pmpts 1 pts
Consider a lens of thickness 1 cm, made of a material oft refractive index 1.5, placed in air. The radii of curvature of the first and second surfaces are +4 cm and 4 cm, respec- tively. Determine the point at which parallel rays will will focus. [Ans: At a distance of about 4.55 cm from the second surface.]
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    Parallel rays will vonverge at a distance of 3.5cm from second surface. Regards
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