Workbook: Fusion Natures Fundamental Energy Source - General ...

Fusion Workbook
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1. Another name for infrared is:
a) visible
b) UV
c) heat
d) wavelength
2. An angstrom (Å) is a unit of
wavelength equal to
a) 1 micron = 10 -6 m
b) 1 m
c) the distance between the sun
and earth
d) 10 -10 m
3. 1 mm is a wavelength found in which
portion of the electromagnetic spectrum?
a) infrared
b) microwave
c) visible
d) ultraviolet
4. The electromagnetic spectrum represents:
a) a classification scheme for radiation
wavelengths and frequencies
b) a narrow portion of visible light
c) energy transfer between
chemical bonds
d) an electrician’s guide to high voltage
5. A wavelength of visible red light is
a) 1 mm
b) 10-6 m
c) 7000 angstroms (Å)
d) 600 angstroms (Å)
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6. Ultraviolet light is energy that:
a) can be felt as heat
b) can be harmful to DNA
c) is emitted by an X-ray source
d) has a wavelength of 1 Å
7. The most penetrating radiation to
human tissue is:
a) x-ray
b) ultraviolet
d) infrared
e) visible
8. The colors which are visible to
our eyes:
a) are a small part of the
electromagnetic spectrum
b) are between infrared and ultraviolet
in the electromagnetic spectrum
c) have wavelengths between
4000 Å and 7000 Å
d) all of the above
9. In a vacuum, electromagneti
waves travel:
a) at the speed of sound
b) slower than in water
c) at the speed of light
d) in the direction of the magnetic field
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