Standard Science Primary 4 Energy

A periscope uses two mirrors to allow a user to see over an obstacle. What property of mirrors is used?

A Mirrors reflect light in a predictable direction.
B Mirrors allow light to pass through.
C Mirrors create shadows.
D Mirrors absorb light.
Show Worked Solution

Worked Solution

Step 1: Light from the object hits the first mirror. Step [2-9]: It reflects down the tube to the second mirror. Step [2-9]: The second mirror reflects it into the eye.

Correct answer: Mirrors reflect light in a predictable direction.

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