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Light review
Light review
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light review for astronomy class
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
if an object heads towards you at a high speed, how is its light shifted?
blue
red
yellow
green
2
the color of light produced by combining all wavelengths
brown
yellow
black
white
3
an isotope is formed by adding or subtracting ____ from an atom
neutrons
protons
quarks
electrons
4
type of spectrum shown here...
emission
absorption
continuous
5
what is it called when an atom releases light due to an electron jumping down energy levels?
electricity
emission
magnetism
absorption
6
what is the core of the atom called?
nucleus
proton
electon
neutron
7
what is the name of the theory that light can behave as either a wave or a particle?
the big bang theory
wave-particle dulaity
the placebo effect
the plank effect
8
the color of light with the highest frequency
blue
green
yellow
red
9
type of spectrum shown here...
continuous
emission
absorbtion
10
a particle with neutral charge
proton
neutron
ion
electon
11
object used to split light into individual wavelengths
prizim
poison
prision
prisim
12
when an object moves away from you at a high speed, its light is shifted towards
blue
yellow
red
green
13
what is the speed of light?
6.02x1023 m/s
9.8 m/s
3x108 m/s
14.2 billion m/s
14
an ion is created by adding or subtracting _____ from an atom
protons
quarks
electrons
neutrons
15
a negatively charged particle
electron
nucleus
neutron
proton
16
which color of light has the highest energy?
red
yellow
green
blue
17
when an electron uses light energy to jump up an orbital level
emission
electricity
absorption
megnetism
18
the type of light with the shortest wavelength
ultraviolet
microwaves
gamma rays
visible light
19
type of emission shown here...
continuous
absorption
emission
20
the type of light with the longest wavelength
visible light
microwaves
gamma rays
radio waves
21
a chemical element is defined by the number of ____ it contains
electrons
protons
neutrons
nuceleus
22
positively charged particle
atom
proton
electon
neutron