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2008-06-14 11:18 PM
 Physics Notes 1.1

分類: 筆•記•明

Physics Notes Chapter 1

 

 

1.          Temperature scale (MC/ Long Q.)

 

 

** Normal atmospheric pressure = pressure at sea level

 

 

l          Lower fixed point (ice point冰點)

 

 

n          Pure melting ice

 

 

n          Normal atmospheric pressure

 

 

n          0 

 

 

 

 

 

l          Upper fixed point (melt point沸點)

 

 

n          Steam over pure boiling water

 

 

n          Normal atmospheric pressure  

 

 

n          100 

 

 

 

 

 

2.          Thermometers (應該MC…, 看書本那個就OK)

  

 

 

3.              Calibrating thermometers formula

 

Ls  – L0

 

 

L100- L0

 

 

**Ls = length of alcohol/ mercury when placed in some substance

 

 

  L0 = length of alcohol/ mercury when placed in melting ice

 

 

  L100= length of alcohol/mercury when placed in boiling water

 

 

看完這部分後不明白的話, 可以看書P.8 Example 1

  

 

 

 

 

4.        Particle motion & temp. (把這個表記住, Chem有用)

 

 States of Matter

General theory

 Arrangement of particles

 Movement of particles

 Solid   

- Fixed shape& volume

-Closely toghther

-Arranged in regular pattern

-Held potision by strong forces

-Can only vibrates each other

-At fixed potision

 Liquid

-Fixed volume, X Fixed shape

=> flow & taken up shape of container

-Close together

-Not fixed potisions

-Can move from one place to another

 Gas

- X Fixed Volume & shape

-Quickly fill any space available

-Very far apart

-X Attractive forces between particles

-Moves at random

-At very high speed

-Collid each other(相撞)

-Bombard the walls of container

 

 

 






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