Answer the following question given this paragraph: 

The angle of reflection equals the angle of incidence. A mirror has a smooth surface and reflects light at specific angles. Light is diffused when it reflects from a rough surface. Mirror images can be photographed and videotaped by instruments.


Q: What kind of surface would cause diffusion when light is reflected off of it?

 Choices:

- hot surfaces

- cold surfaces

- smooth surfaces

- rough surfaces

A:
rough surfaces
