Question

A concave lens has focal length of 30 cm. At what distance should the object be placed

from the lens so that it forms an image at 20 cm from the lens ? Also, find the magnification

produced by the lens.​

Answer 1

Answer:

Describe your feelings in about 350 words about not appearing for the First Public Examination which you have preparing for ,for the past 15 years.

Answer 2

The answer to your question is above