Standard Science Primary 4 Energy

Luke tried to look through a bent pipe at a candle flame. He could not see the flame. Why?

A The pipe is too long.
B Light cannot reflect inside the pipe.
C Light is blocked by the pipe.
D Light travels in straight lines.
Show Worked Solution

Worked Solution

Step 1: Light path is always linear unless reflected or refracted. Step 2: In a bent pipe, the straight path is blocked by the walls.

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