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The realm of physics

The realm of physics. By the end of this chapter you should be able to : appreciate the order of magnitude of various quantities ; perform simple order -of- magnitude calculations mentally ; state the fundamental units of the SI system. Orders of magnitude.

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The realm of physics

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Presentation Transcript

  1. The realm of physics Bytheend of thischapteryoushould be ableto: appreciatetheorder of magnitude of variousquantities; perform simple order-of-magnitudecalculationsmentally; statethe fundamental units of the SI system

  2. Orders of magnitude Whatisthemass of thesun? Whatisthemass of anatom? Whatisthesize of theuniverse? Whatisthesize of a virus?

  3. SI System The seven basic SI units are: The metre (m) The kilogram (kg) The second (s) The Ampere (A) The kelvin (K) The mole (mol) The candela (cd)

  4. Commonprefixes

  5. Someinterestingsizes

  6. Someinterestingmasses

  7. Someinteresting time intervals

  8. Fundamental interactions

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