Geometrical OpticsHard
Question
A convex lens of length 40 cm is in contact with a concave lenses of focal length 25 cm. The power of the combination is
Options
A.- 1.5 D
B.- 6.5 D
C.+ 6.5 D
D.+ 6.67 D
= - 1.5 DMore Geometrical Optics Questions
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