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EM Spectrum & Big Bang Flashcards | StudBud
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EM Spectrum & Big Bang
EM Spectrum & Big Bang
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Review for test #electromagnetic spectrum #EMspectrum #bigbangtheory #lightwaves
Flashcards
18 cards
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Practice quiz
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Questions
18
Answers
1
Which part of this wave is labeled with the number 3?
amplitude
trough
wavelength
crest
2
Which of the following galaxies is moving away from us at the fastest speed?
Galaxy C - 2 billion light years away
Galaxy A - 34,000 light years away
Galaxy D - 2500 light years away
Galaxy B - 150 million light years away
3
Which supports the Big Bang theory?
There is a black hole in the center of our galaxy.
Scientists have found stars older than 14 billion years old.
Scientists found background radiation through the universe.
All galaxies are experiencing a blue shift.
4
What is the speed of a microwave?
150,000 km/sec
186,000 km / sec
300,000 km / sec
300,000,000 km/sec
5
Which of these waves are responsible for sunburn?
Gamma rays
Violet
Visible light
Ultraviolet
6
Which part of the wave is labeled with the number 1?
trough
wavelength
crest
amplitude
7
Choose one of the following that supports the Big Bang theory.
Background radiation
Blue shift
Expansion of the universe
Compaction of universe
8
Which part of this wave is labeled with the number 4?
amplitude
wavelength
frequency
trough
9
Galaxies that are moving away from us show a red shift in the ____ of their spectrum
color
speed
frequency
wavelength
10
What will happen to our universe in the future?
No one is certain what will happen.
Everything in the universe will stop moving
The universe will expand then contract
The universe will continue to expand.
11
Shortest wavelength; also has the most energy
X-rays
Gamma rays
R O Y G B I V
Radio waves
12
Cosmic background radiation is found all over the universe in what part of the EM spectrum?
Infrared
Microwaves
Visible
Radio waves
13
How fast do radio waves travel?
300,000 km/s
93,000,000 km/sec
1 light year/sec
186,000 km/s
14
Which spectral shift shows a star or galaxy moving TOWARD us?
Red shift
Violet shift
Blue shift
Light shift
15
Which part of the wave is labeled with the number 2?
trough
amplitude
crest
wavelength
16
What wavelength of light is the longest?
Gamma rays
Infrared waves
Red light
Radio waves
17
How is a star's spectrum affected if the star is moving AWAY from us?
red shift
blue shift
violet shift
light shift
18
Which wavelength of light penetrates through skin to show images of bones?
Microwaves
Gamma rays
Ultraviolet
X-rays
