Science 10
Ultraviolet
Waves
-Report malala-
We going to learn about
the definition of UV rays,
it's advantages and disadvantages, uses, and
types.
Lesson
Objective
What is
ultraviolet
rays?
Ultraviolet rays
It is a form of electromagnetic radiation with wavelength shorter than
that of visible light, but longer than X-rays. It is emitted by the sun and
artificial sources.
Advantage and
dis-advantage
Advantage
Dis-advantage
production of vitamin D,
blinding eye diseases,
improvement in mood, and
sunburn, skin cancer,
increased energy.
premature aging
Types of UV
rays
UVA
UVB
radiation from the sun
with fairly long
wavelengths.
radiation from the sun
with fairly short
wavelengths.
UVC
radiation that is in the
region of the ultraviolet
spectrum
Uses of UV
rays
Uses
used in industrial processes, medical and
dental practices, like killing bacteria,
creating fluorescent effects, curing inks,
resins, phototherapy and suntanning.
Fun fact
Scorpions glow under UV light.
jak ammo nu apay ngem ag glow
da kano.
Thank You
For Today!
Thank you for listening