Question

Which represents a type of mechanical wave?

A.
gamma rays

B.
infrared light

C.
telemetry waves

D.
water waves

Answer 1

The answer is option D. water waves. Gamma rays are a kind of electromagnetic wave. (in fact electromagnetic radiation). Infrared light is also an electromagnetic radiation (all kind of lights are electromagnetic waves). Telemetry waves are radio waves. Indeed, water waves are mechanical because they imply the oscillation of matter.

Answer 2

The answer is option D. water waves. Gamma rays are a kind of electromagnetic wave. (in fact electromagnetic radiation). Infrared light is also an electromagnetic radiation (all kind of lights are electromagnetic waves). Telemetry waves are radio waves. Indeed, water waves are mechanical because they imply the oscillation of matter.