Question

A spherical convex surface of radius of curvature R separates air $(\mu_0=1)$ from glass $(\,_o\mu_g=1.5)$ The center of curator is in the glass. A point object P placed in air is found to have a real image Q in the glass. The line PQ cuts the surface at a point O and PO,= O The distance PO is equal to

• A. 5R
• B. 3R
• C. 2R
• D. 1.5 R

Answer 1

Answer: (A)

5R

Answer 2

Answer (a) 5R