Standard Science Primary 4 Energy

Siti conducted an experiment to find out how the distance of an object from the light source affects the size of its shadow. Based on her setups, which setup will cast the LARGEST shadow on the screen?

A No shadow will be formed.
B Setup B
C Both shadows will be the same size.
D Setup A
Show Worked Solution

Worked Solution

Step 1: The closer the object is to the light source, the more light it blocks. Step 2: Blocking more light creates a larger shadow. Step 3: Setup B has the object placed closer to the torchlight.

Correct answer: Setup B

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free