
Doppler Effect and Red Shift in Astronomy

Interactive Video
•
Physics, Science, Mathematics
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the wavelength of light from a star as it moves away from Earth?
It becomes longer.
It remains the same.
It changes color.
It becomes shorter.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the shift of light towards the red end of the spectrum?
Yellowsift
Greenshift
Redshift
Blueshift
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is used to represent the reference wavelength?
Lambda with subscript zero
Delta lambda
C
V
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Doppler shift equation, what does the symbol 'C' represent?
The speed of the star
The speed of the galaxy
The speed of light
The speed of sound
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Greek symbol 'delta lambda' represent in the Doppler shift equation?
The speed of light
The shift in wavelength
The apparent wavelength
The reference wavelength
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving for the velocity of a star using the Doppler shift equation?
Convert units to meters
Measure the apparent wavelength
Rearrange the equation to solve for velocity
Calculate the speed of light
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the shift in wavelength calculated in the example provided?
By adding the reference and apparent wavelengths
By multiplying the reference wavelength by the apparent wavelength
By dividing the reference wavelength by the apparent wavelength
By subtracting the reference wavelength from the apparent wavelength
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