Question

Example 10.3 A concave lens has focal length of 15 cm. At what distance shoula the object from the lens be placed so that it forms an image at 10 cm from the lens? Also, And the magnification produced by the lens.​

Answer 1

Thus the object should be placed at a distance of 30 cm on the left side of the concave lens. Linear magnification, m=vu=-10-30=13.

I'm shiya from Hyderabad