Which is the natural phenomenon based on which a simple periscope works
Which one of the following is the natural phenomenon based on which a simple periscope works?
- Reflection of light
- Refraction of light
- Dispersion of light
- Total internal reflection of light
A periscope works on the laws of reflection. The light from the object falls on one mirror placed at 45° to the object. The reflected light falls on another mirror and is again reflected until it reaches the human eye.
The correct option is A.