Question

A simple microscope is made of a combination of two lenses in contact of powers
+15D and D. Calculate the magnifying power of the microscope, if the image is
formed at 0.25m, the least distance of distinct vision,​

Answer 1

Answer:

16D and 5

Explanation:

P=P1+P2

Hence the power will be 15D+1D=16D

Now, P=1/f=>f=1/16m=100/16cm=25/4cm=6.25cm

Now use m=1+(d÷f)

                   =1+25/6.25

                    =5