Question

An object is placed 30 cm to the left of a converging lens of focal length 10 cm. A diverging lens of focal length -15 cm is 20 cm to the right of the converging lens.

a) Where is the image created by the first lens relative to the first lens?

b) Is it real or virtual?

c) Where is the final image relative to the second lens?

d) Is it real or virtual?

e) What is the final lateral magnification?

Show work.

Answer 1

The concept used in this question is of lens formula , lateral magnification , initially i do the calculations for the first lens ( converging lens ) and then use the obtained values from the calculation of first lens and get the final image formed by the second lens ( diverging lens ) .

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