Questions
The radius of curvature of the convex face of a planoconvex lens is 12 cm and its refractive index is 1.5. What is the focal length of the lens?
detailed solution
Correct option is C
1f1=(μ−1)1R=(1.5−1)112=124or f1=24cm which is choice (3).Talk to our academic expert!
Similar Questions
A point object is placed at the centre of a glass sphere of diameter 12 cm and refractive index 1.5. What is the distance of the virtual image from the surface of the sphere?
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