AQA/Edexcel Physics Unit 1 Quiz!

What does CMBR stand for?
Cosmic Microwave Background Radiation
1 of 10
What does Red Shift prove?
The universe is expanding.
2 of 10
What is the Doppler Effect?
The change in frequency and wavelength when a moving object is relative to the observer.
3 of 10
How do we conclude that a moving object in space has Red Shifted?
We look at spectral lines and see if they have shifted.
4 of 10
If an object has been Blue Shifted, what direction is it moving in, relative to Earth?
Towards Earth
5 of 10
What proved the Big Bang to be correct?
CMBR
6 of 10
What proved the Universe was expanding?
Red Shift
7 of 10
What is an example of the Doppler Effect?
Moving ambulance with its siren on.
8 of 10
Which wave can pass through the Ionosphere?
Microwaves
9 of 10
Which wave has the highest Frequency and shortest Wavelength?
Gamma rays
10 of 10

Other cards in this set

Card 2

Front

What does Red Shift prove?

Back

The universe is expanding.

Card 3

Front

What is the Doppler Effect?

Back

Preview of the front of card 3

Card 4

Front

How do we conclude that a moving object in space has Red Shifted?

Back

Preview of the front of card 4

Card 5

Front

If an object has been Blue Shifted, what direction is it moving in, relative to Earth?

Back

Preview of the front of card 5
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