Lesson eLearning

When you look straight through a clean window at midday, you can see the street outside. What property of light allows you to see the street?

easy MCQ 1 mark Class 4 · EVS · From the Window
  1. Light is reflected by glass
  2. Light is absorbed by glass
  3. Light travels in a straight line
  4. Light is bent in glass
Answer
Light travels in a straight line

The correct answer is Light travels in a straight line — Thus you can see the street outside.

Step-by-step solution

  1. Light from the street travels towards the window.
  2. The glass is transparent, so it does not absorb the light.
  3. The light passes straight through the glass.
  4. It continues in a straight line to your eye.
  5. Thus you can see the street outside.
Common mistake: Thinking light is absorbed by glass

Concept tested: Light travels in straight lines

Published · How this solution was prepared and checked

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