Questions with Complete Solutions
Which of the following has the longest wavelength?... Infrared Rays.
A salon owner wants to mimic natural sunlight as closely as possible in the salon reception area.
Which type of light would most likely be used to accomplish this requirement?...
Incandescent.
Pure heat Rays are produced by?... Infrared Rays.
Which of the following is a benefit of using infrared light during a facial?... Increases
circulation.
The average distance an infrared lamp should be placed during a facial is about?... 30'
Which of the following at also known as actinic rays?... Ultraviolet.
, Which of the following is a benefit derived from UV light?... Small doses tan the skin.
Small doses of ultraviolet light may help the body produce ?... Vitamin D.
Bacteria that causes skin infections can be killed by?... Ultraviolet light.
Before using ultraviolet light on a client, the skin or scalp should be?... Cleansed.
Electricity Is a form of energy that produces light, heat, magnetic and chemical changes.
Electric current Is the movement of electricity along a path called a conductor.
Load Is the technical name for any electricity powered appliance.
Conductor Is a material that allows electricity to flow through it easily.
Insulator Is a material that does not allow the flow of electric current.