Orders of Magnitude
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Physics fundamentals - Need to memorise for exam
Last updated 4:56 PM on 9/17/25
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14 Terms
1
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Size of atom
10-10
2
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Wavelength of visible light
10-7
3
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Height of person
100 - 101
4
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Radius of Earth
107
5
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Distance between Earth and Sun
1011
6
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Mass of electron
10-30
7
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Mass of proton
10-27
8
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Mass of person
102
9
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Mass of Earth
1024
10
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Mass of Sun
1030
11
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Period of visible light wave
10-15
12
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Typical human heart beat
100
13
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Earth’s rotation (1 day)
105
14
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Age of Universe
1017
Note 
Flashcards (40)