Advanced Science Primary 4 Energy

In an experiment, a wooden block is placed at different distances from a torch. Which setup will produce the LARGEST shadow on the screen?

A Block 15cm from torch
B Block 25cm from torch
C Block 5cm from torch
D Block 35cm from torch
Show Worked Solution

Worked Solution

Step 1: Shadow size depends on the distance between the light source and the object. Step 2: The closer the object is to the light source, the more light it blocks. Step 3: 5cm is the shortest distance, creating the largest shadow.

Correct answer: Block 5cm from torch

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