Multiple choice

What is meant by 'rectilinear propagation of light'?

  1. Light travels in a curved line.

  2. Light can bend around the corners.

  3. Light travels in a straight line.

  4. Light passes through opaque objects.

  5. -
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. Light does travel in straight line as it casts shadow of opaque object which falls in its path.

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