IB Physics Orders of Magnitude
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Last updated 9:44 AM on 9/17/22
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30 Terms
1
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Distance to edge of observable universe
10²⁶m
2
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Distance to Andromeda Galaxy
10²²m
3
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Diameter of Milky Way
10²¹m
4
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Distance to nearest star
10¹⁶m
5
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Diameter of Solar System
10¹³m
6
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Distance to Sun
10¹¹m
7
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Radius of Earth
10⁷m
8
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Size of a cell
10⁻⁵m
9
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Size of a hydrogen atom
10⁻¹⁰m
10
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Size of a nucleus
10⁻¹⁵m
11
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Size of a proton
10⁻¹⁷m
12
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Plank length
10⁻³⁵m
13
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Mass of Universe
10⁵³kg
14
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Mass of Milky Way Galaxy
10⁴¹kg
15
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Mass of Sun
10³⁰kg
16
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Mass of Earth
10²⁴kg
17
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Mass of empty Boeing 747
10⁵kg
18
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Mass of an apple
10⁻¹kg
19
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Mass of a raindrop
10⁻⁶kg
20
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Mass of a bacterium
10⁻¹⁵kg
21
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Mass of smallest virus
10⁻²¹kg
22
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Mass of Hydrogen atom
10⁻²⁷kg
23
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Mass of an electron
10⁻³⁰kg
24
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Age of Universe
10¹⁷s
25
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Time of travel of light to nearest star
10⁸s
26
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One year
10⁷s
27
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One day
10⁵s
28
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Period of heartbeat
1s
29
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Period of red light
10⁻¹⁷s
30
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Time of passage of light across a nucleus
10⁻²⁴s
