Waves

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  • Created by: sms100
  • Created on: 17-04-16 19:47
Q: How do you calculate wave speed?
A: Wave speed (m/s) = frequency (hz) x wavelength
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Q: What is red-shift?
A: Light that moves towards the red end of the spectrum
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Q: What is the law of reflection?
A: Angle of incidence = angle of reflection
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Q: What does the term frequency mean?
A: Number of waves per second
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Q: What is the Doppler effect?
A: Change in wavelength and frequency when the source of waves/observer moves
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Q: What does red- shift tell scientists about galaxies?
A: That it is expanding
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Q: What is the universe?
A: An innumerable collection of galaxies
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Q: Describe how the sound changes when a car drives past you?
A: A car drives towards you wavelength shortens and frequency increases. Car drives away from you wavelength increases and frequency decreases.
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Other cards in this set

Card 2

Front

Q: What is red-shift?

Back

A: Light that moves towards the red end of the spectrum

Card 3

Front

Q: What is the law of reflection?

Back

Preview of the front of card 3

Card 4

Front

Q: What does the term frequency mean?

Back

Preview of the front of card 4

Card 5

Front

Q: What is the Doppler effect?

Back

Preview of the front of card 5
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