An opaque object was placed between a torch and a screen. If the torch is moved closer to the object, what happens to the size of the shadow on the screen?
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Worked Solution
Step 1: Light travels in straight lines.
Step [2-9]: When the source is closer to the object, it blocks a wider angle of light rays.
Step [2-9]: This results in a larger shadow being cast on the screen.
Correct answer: The shadow becomes larger.
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