Light - PowerPoint PPT Presentation

1 / 41
About This Presentation
Title:

Light

Description:

Title: Light Author: HKU QEF Last modified by: Eric Created Date: 7/11/2006 9:12:50 AM Document presentation format: On-screen Show Company: HKU Other titles – PowerPoint PPT presentation

Number of Views:48
Avg rating:3.0/5.0
Slides: 42
Provided by: HKU49
Category:
Tags: aether | light

less

Transcript and Presenter's Notes

Title: Light


1
????
2
????
  • ????

???
??
3
????
  • ????????????? (384 - 322 B.C.)??
    ???????,??????????????,???????????????
  • ??????? (427 347 B.C.)????????????????,????????
  • ???? (? 200 A.D.)??????????????????????????????

4
?17??,?????????????????...
????
??!????
?? 1643 - 1727
??? 1629 - 1695
5
17???,?????????????,??
  • ???????
  • ???????
  • ??????????,??????????????????

6
????
  • ??????,
  • ??? ??? (?i ?r )

????
????
??
?i
?r
7
????
  • ????1621?????????? n1 ,????????? n2????,
  • n1sin(?1) n2sin(?2)
  • ????????????

????
??
?1
n1
??
n2
?2
?????????????????????????????
????
8
???????????(?????????)????????(???? Opticks,
? Isaac Newton ?1704???)
  • ???????????????

9
??????????
???
  • ??????????????,???????????

??????????
  • ??????,????????
  • (??????????????????????)

10
??????????
  • ??????,?????????,??????????
  • ???????????,????????????
  • ??,?????????????????????,??????????

11
?????????????
  • ????????????????????????????

??
??
??
??
?????????
??
12
???????????????
  • ????????,?????????????????,??????,????????????????
    ??????????,???????????????,????????
  • (??????????)
  • ??
  • ?????????????
  • ?????????????
  • ????????

??
??
?
?
13
???????????????? ????????????,??????????
?
  • ?????
  • ????????????????????????????
  • 2. ??????????????????????
  • ???????????,????????????,
  • ?????????????????

?
14
??????????????????????????...
(????Treatise on light, ?????1690???)
  • ???????????????????,???????aether?
  • (aether ???? ether)

15
??????
???P??????W??????????????????t?,?????r,??t?????,?r
ct? ????????????????????????,???t???????W?
P
16
????????????
??? W1 (AC)??A??,?A??????????????????B?,?A????????
?D,??????W2 (BD)? ??? ?????????????????????????
????????
C
D
W1
W2
A
B
?????
17
????????????
??W1 ????1 ? 2????,??W1??A??????????????B?,?A?????
????????????D,? ????????? W2,?????????
?1
n1sin?1 n2sin?2 ?????????????????????????????
C
??
W1
B
A
?????????
W2
D
?2
?????
18
?????????,???????????????????????,?17??????(?????
?????????????)
  • ????????????????,??????????????????????????

????????
19
???????????????????????????????????????????????
????????
????????
??????????
20
??????????????????????
????????PV nRT
?????????????????
???????
21
?????
?????????????P, V, ?T??????
???????????(???????)?
??????
22
(No Transcript)
23
????????????????
24
??????17??????,???????????????????????????????
??????????????
25
??????...( ???! )
  • ?????????18????????
  • ?????????????????,???????????????
  • ??????

26
  1. ?????????,????????,???????
  • ??????????????????,?????????????????,??????????,??
    ??????

27
(2) ????????,???????? ????????
  • ?17??,?????????????????????????ether?-????????,???
    ???????????-?????

X
28
(3) ??????????????????
  • ????????????????????????????????????????
  • ???????????(?????????????????),????????????17?????
    ???????

?
29
(4) ?????
  • ????????????,?????????????????????????,???????????
    ??????????????????????????
  • ????????????,????????????????????

30
????????????????, ???? . . .
  • ???????????????????????????????(???????????)
  • ???????????????????
  • (???????? ?????)
  • ?????????????? ?
  • (????????????????????????)
  • ????????????,??????????
  • (???????????????????)

31
??,????????????100?,???????????...
?????!
  • ??
  • 1773 - 1829

32
??????
  • ??????????,?????????????(???????????)?
  • ?????????????

??
??????
????????
??????
????
?????
????
???
???
????
33
????????????,??1905?...
?????? ????!?
  • ????
  • 1879 - 1955

34
????
????
???????
??????,????????????
????
???
  • ???????,??????,??????
  • ????(????????)???,?????????????????

35
  • ??????????(????),??????????????????????????
  • ??????????????????????????

e-
Light
?
36
?????????
  • ???????,????????,????????????
  • ???????????,????????
  • ?????????
  • ???????

n0
??
???
f
fC
37
???????
  • ??????????????,????????????E,E????????(n) ??????
  • E h n
  • h ?????? (6.62 x 10-34 ???)
  • ????????(???????)????????????,????????????????????
    ??

38
???????????????????... ????????? ??????????
???????????,????????!
  • ????
  • 1892 - 1987

39
  • 1924?,????????????????,??????????????
  • ???????????????????????????????????????????,??????
    ??????????????,????????!
  • ????1929???????!

40
??
  • ?????(??????)
  • ???(?????)
  • ??(?????)
  • ??(?????)
  • ????(?????)
  • ????(??????????)

41
?? ???????????,????????
  • ?? (?????????????????...?)???????????
  • ????????? ( ????)??????,?????????????????(??????)
  • ????????,????????(????????????,????????????????)?
Write a Comment
User Comments (0)
About PowerShow.com