Chapter 9, Problem 42Q

(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation
typically involve integrating or extending the concepts presented thus far.)

. A convex lens forms a clear, focused image of some small, fixed object on a screen. If the screen is moved closer to the lens, will the lens have to he (a) moved closer to the object, (b) moved farther from the object, or (c) left at the same location to produce a clear image on the screen at its new location? Explain your answer.