Standard Science Primary 4 Energy

Siti moved an opaque object further away from the light source and closer to the screen. What happened to the size of the shadow?

A It remained the same.
B It disappeared.
C It became smaller.
D It became larger.
Show Worked Solution

Worked Solution

Step 1: Distance between light source and object increases. Step [2-9]: Distance between object and screen decreases. Step [2-9]: Both actions result in a smaller shadow being cast on the screen.

Correct answer: It became smaller.

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