Standard Science Primary 4 Energy

A torch is shone on an opaque object. Which of the following will result in a LARGER shadow being formed on the screen?

A Moving the torch further away from the object
B Moving the screen closer to the object
C Replacing the opaque object with a translucent one
D Moving the object closer to the torch
Show Worked Solution

Worked Solution

Step 1: Shadow size depends on the relative distance between light, object, and screen. Step [2-9]: When the object is closer to the light source, it blocks more light rays. Step [2-9]: This results in a larger projection on the screen.

Correct answer: Moving the object closer to the torch

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