Standard Science Primary 4 Energy

Siti placed an opaque object between a torch and a screen. She moved the torch CLOSER to the object. What happened to the size of the shadow?

A The shadow became bigger.
B The shadow became smaller.
C The shadow remained the same size.
D The shadow disappeared.
Show Worked Solution

Worked Solution

Step 1: Identify the position change (torch moved closer to object). Step 2: When the light source is closer to an opaque object, it blocks a larger angle of light rays. Step 3: This results in a larger shadow on the screen.

Correct answer: The shadow became bigger.

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