Question

Among the following, which one moves with a non-uniform velocity?

• A. Light in a homogeneous medium.
• B. Sound in a homogeneous medium.
• C. A freely falling body.
• D. All of the above.
  

Answer 1

Answer: (C)

A freely falling body.

Speed of sound and light are constant in a homogeneous medium.
While the speed of a freely falling body varies as per the equation, $v=gt$.