Multiple choice

How do we see non-luminous objects?

  1. They produce light which reaches our eyes

  2. They shine light into our eyes

  3. They bend light into our eyes

  4. They reflect light into our eyes

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Non-luminous objects do not produce their own light. We see them because light from a luminous source hits the object and reflects into our eyes.