A very small blue ball is placed 50cm to the left of a convex lens of height 5 cm and focal length 10 cm. how far (in cm ) behind the lens will the image of the ball be formed.
Doc Al
Apr25-04, 02:14 PM
You'll need to use the lens equation: 1/o + 1/i = 1/f
To find out what this equation means and how to use it, consult your text.