Exam (elaborations)
LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERS
- Course
- Institution
LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERS
[Show more]
1 review
By: taylerrebmann • 1 month ago
Content preview
LASER HAIR REMOVAL EXAM QUESTIONS AND ANSWERSLASER - Answer- Light amplification by the stimulated emission of radiation
Light consist of many wave lengths - Answer- Laser consist of just one
The FDA approved lasers for permanent hair reduction - Answer- In. 1997
When was the Ruby crystal laser invented - Answer- In 1960
The Ruby crystal uses what wavelength - Answer- 694 nm
In 1960 the ruby crystal was invented and used for - Answer- Dermatology and ophthalmology
ELECTROMAGNETIC SPECTRUM of RADIATION - Answer- Visible and invisible light
The light we see belongs to what spectrum - Answer- ELECTROMAGNETIC SPECTRUM of RADIATION
The spectrum of light is arranged by its frequency of its waves - Answer- Longest, lowest waves to shortest highest waves. Radio waves are longest and gamma waves are shortest
Wavelength - Answer- Is the measurement between the distance of two consecutive peaks in a wave ( peak or troughs )
Short wave length - Answer- High frequency High intensity High melanin absorption
Long wave length - Answer- Low frequency Low intensity Low melanin absorption
Ruby laser - Answer- 694nm
Alexandrite - Answer- 755nm
Diode - Answer- 800nm , 810nm
Nd Yag - Answer- 1064nm Ruby and alexandrite - Answer- Short wave length High frequency High intensity
Nd Yag - Answer- Long wavelength Low frequency Low intensity
Nanometers Nm - Answer- How a Wavelength is measured
Infrared - Answer- Lasers are in this wavelength
Radio wave have the longest wavelength in the spectrum - Answer- Radio waves
Infrared light ( IR ) - Answer- Is invisible and thermal
Infrared energy - Answer- Felt as heat on the skin and can be captured in thermal imaging
Longest wavelength visible light - Answer- Red
Shortest wavelength viable light - Answer- Violet
Some laser hair removal devices are in the red light and some are in the near infrared part of the electromagnetic spectrum - Answer- Ultraviolet light - Answer- Highly energetic with shorter wavelengths than visible light
UVA rays - Answer- 95% of UV radiation that reaches the earth
UVA rays - Answer- Penetrate the skin more deeply and are dominate tanning rays. Cause photo aging and skin cancer
UVB rays - Answer- Cause skin burns and effect the epidermis. Also cause cancer and photo aging
UVC RAYS - Answer- Rays are absorbed by the ozone layer and don't reach the earth
Gamma rays - Answer- Have the shortest most powerful wavelength and the most energetic form of light
Gamma rays can kill living cells - Answer- Used in medicine to kill cancerous cells
Laser light - Answer- Is coherent
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller millyphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now