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Eathan Gabriel
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Cards (21)
Infrared
can penetrate solid objects but
not very solid objects
The wavelength of visible light is between
400nm
to
750nm
Radio waves
have the lowest energy and are used by radio stations to transmit signals over long distances.
Microwaves
are used in
microwave
ovens
to heat food quickly.
Frederick
William
Herschel
discovered Infrared
Gamma rays were discovered by
Paul Villard
Infrared is commonly used in
thermal imaging
and
heat sensors
Visible light
is responsible for our perception of colors
Ultraviolet
radiation
can cause skin cancer and damage to eyes
X-rays are used in medical diagnosis, such as
X-ray machines
and
CT scans
X-rays are used in medical diagnosis and
treatment
Gamma rays
have the highest frequency and shortest wavelength among all types of electromagnetic waves.
Who discovered the UV light in year
1981
?
Johann Rittter
What did Herschel use to scatter the light?
Thermometer
and
Prism
What did Johann Ritter utilized in his experiment?
Silver Chloride
What does ultra mean?
Beyond
Which type of UV is not harmful to us?
UV-A
What type of UV cause sunburn?
UV-B
Type of UV that is most harmful but is absorbed by the atmosphere?
UV-C
What is the cause of an Aurora?
Solar Storm
Ultraviolet
radiation
is used in sterilizing water from drinking fountains