An object is placed 41 cm to the left of a double-convex lens of focal length 27 cm. The image of this object is located at x cm from the lens. Find the value of x

Answer 1

1/41 + 1/x = 1/27; 1/x = 1/27 - 1/41; x = 41·27/(41 - 27) = 79.07 cm