Physics Module 1 Quiz

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• Created by: Eloise26
• Created on: 16-04-14 13:01

1. What is the formula that relates wave speed, frequency, and wavelength?

• Speed= Frequency + Wavelength
• Speed= Frequency - Wavelength
• Speed= Frequency x Wavelength
• Speed= Frequency / Wavelength
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2. What is red shift?

• Red shift is when distant planets move towards us, the wavelengths change and give off a red glow.
• When planets are moving away from us a high speeds, scientists use the term 'red shift' to explain at what rate it's moving away.
• When a galaxy is moving away from us and the wavelength of the light from it changes, this causes the light to become redder.
• Wavelengths change and appear to turn any light source a red type color.

3. Explain the evidence that shows that the universe is expanding.

• Red shift can be seen, and we know that red shift occurs when objects in space are moving away.
• Purple haze can be seen, and we know that purple haze occurs when objects in space are moving away.
• Blue shift can be seen, and we know that blue shift occurs when objects in space are moving away.
• Yellow shift can be seen, and we know that yellow shift occurs when objects in space are moving away.

• Both.
• Neither.
• S-Waves.
• P-Waves.

5. Roughly how many times larger is the diameter of the Milky Way than the diameter of the sun?

• 100 billion times bigger.
• 1000 billion times bigger.
• 600 billion times bigger.
• 500 billion times bigger.