A converging lens of power 5D and a diverging lens of power 10D are placed in contact with each other .Find equivalent power
Answers
Answered by
4
Explanation:
we know that convering lens is convex lens which have + focal lenght
than power = + 5 D
a diversing lens is a concave lens which have - focal lenght than power = -10D
Therefore the required equivalent power
will be
+5D -10D = -5D
Similar questions