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Test 3.1 EM Spectrum and Components of the Universe Flashcards | StudBud
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Test 3.1 EM Spectrum and Components of the Universe
Test 3.1 EM Spectrum and Components of the Universe
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Answers
1
An object that is moving towards you is...?
Red shifted
Lowering its frequency
Stretching out the waves
Blue shifted
2
What type of EM wave is used to change the channel on your TV?
X-Ray
Radio
Infrared
Gamma
3
What two elements are present in the star spectrum at the bottom?
H and Na
H and He
Li and H
He and Na
4
Which wavelength has the highest amount of energy
D
B
A
C
5
Which wavelength has the longest wavelength
B
D
C
A
6
This wave will emit a frequency of 10
-10
HZ
Gamma
Visible
Radio
X-Ray
7
Which wave is used to send communication signals to broadcast TV shows?
Ultraviolet
Gamma
Radio
Visible
8
Why can we not see that our galaxy is a spiral from Earth?
The other stars in our galaxy are really small
We are inside our galaxy
Our galaxy is really elliptical
Our galaxy is really irregular
9
Which of the following EM waves has the longest wavelength?
X-Ray
Visible
Infrared
Microwave
10
Which type of wave helps us determine the age and temperature of a star>
Gamma
Radio
Visible
Microwave
11
Which wave of the EM spectrum, transmits the most energy.
X-Ray
Radio
Microwave
Gamma
12
What type of galaxy is shown below?
Elliptical
Barred Sprial
Non-barred spiral
Irregular
13
Which color wave has the longest wavelength?
Green
Red
Blue
14
Which is true about the universe...
Its very dense
Gradually gets smaller
Our universe is called the milky way
Its made up of mostly empty space
15
Which of the following is true of this picture?
Our solar system is located near the outside edge
This is an elliptical galaxy
This is made from older stars
It's made of younger stars
16
Which 2 theories agree on how the universe started, but disagree on how it ends?
Steady State and Oscillating
Oscillating and Big Bang
Big Bang and Steady State
17
Which theory is it? "The universe is expanding, but the density of the universe is the same."
Oscillating
Steady State
Big Bang
18
What type of EM radiation is used to send communication signals?
Radio
Infrared
Gamma
Visible
19
Which type of wavelength that we can see is shortest?
Red
Blue
Radio
Gamma
20
Which of the following is not a correct classification of a galaxy?
Elliptical
Spiral
Irregular
Swirl
