Figure 21 shows an object and lens positioned to form a
Chapter 18, Problem 21MCQ(choose chapter or problem)
Problem 21MCQ
Figure 21 shows an object and lens positioned to form a well-focused, inverted image on a viewing screen. Then a piece of cardboard is lowered just in front of the lens to cover the top half of the lens. What happens to the image on the screen?
Figure 21
A. Nothing.
B. The upper half of the image will vanish.
C. The lower half of the image will vanish.
D. The image will become fuzzy and out of focus.
E. The image will become dimmer.
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