Arkansas Esthetician Practice Exam

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Tesla, a High Frequency Current, is also known as:

Violet Ray
Blue Ray
Gamma Ray
Infrared Ray

The correct answer is: Violet Ray

Tesla, a High Frequency Current, is also known as Violet Ray. This refers to the color of light that is produced when this type of current is passed through a gas-filled tube. Option B, Blue Ray, is incorrect because "blue ray" is not a term commonly used to describe this type of current. Option C, Gamma Ray, is incorrect because gamma rays are a type of electromagnetic radiation with much higher frequency than high frequency current. Option D, Infrared Ray, is incorrect because infrared rays are also a different type of electromagnetic radiation that operates at a lower frequency than high frequency current. Therefore, the correct answer is A, Violet Ray.