Standard Science Primary 4 Energy

Jun Jie placed an opaque object between a torch and a screen. He noticed a dark shape formed on the screen. Which property of light is demonstrated here?

A Light travels slower in air than in water.
B Light can be reflected by smooth surfaces.
C Light travels in straight lines.
D Light can pass through all materials.
Show Worked Solution

Worked Solution

Step 1: Understand that shadows form when light is blocked by an opaque object. Step 2: For a sharp shadow to form, light must travel in straight lines and cannot bend around the object. Step 3: The correct property is that light travels in straight lines.

Correct answer: Light travels in straight lines.

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

Start Free Trial — 7 Days Free