Chapter 36, Problem 36.5OQ

A converging lens in a vertical plane receives light from an object and forms an inverted image on a screen. An opaque card is then placed next to the lens, covering only the upper half of the lens. What happens to the image on the screen? (a) The upper half of the image disappears. (b) The lower half of the image disappears. (c) 'The entire image disappears, (d) The entire image is still visible, but is dimmer. (e) No change in the image occurs.