A convex lens and a concave lens each having same focal length of 25 cm are put in contact to form a combination of lenses The

Question

A convex lens and a concave lens each having same focal length of 25 cm are put in contact to form a combination of lenses The power in diopters of the combination is 2006 a 50 c zero b infinite d 25

Kunduz · Accepted Answer

Click to see the answer