Multiple choice

Which of the following statements about light rays is incorrect?

  1. Light always propagates along a straight line.

  2. Two light rays do not disturb each other upon intersection.

  3. An object and its image are interchangeable.

  4. None of these

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

Light propagates almost in a straight line. It bends at some positions due to certain obstacles like buildings, different objects and rigid bodies present in the universe, so option 1 is incorrect.