The hidden beauty of the rainbow

492 views

Published on

Published in: Education, Sports, Technology
1 Comment
0 Likes
Statistics
Notes
  • Be the first to like this

No Downloads
Views
Total views
492
On SlideShare
0
From Embeds
0
Number of Embeds
7
Actions
Shares
0
Downloads
6
Comments
1
Likes
0
Embeds 0
No embeds

No notes for slide

The hidden beauty of the rainbow

  1. 1. RAIN BOW
  2. 2. Radius?        20°,  30°,  42°,  50°    Color sequence? redàblue  or  blueàred     Inside the bow is brighter or darker?   How many bows can you see? 1,  2  ,3…     Is the bow light polarized?_________  
  3. 3. Radius?        20°,  30°,  42°,  50°    Color sequence? redàblue  or  blueàred     Inside the bow is brighter or darker?   How many bows can you see? 1,  2  ,3…     Is the bow light polarized?_________  
  4. 4.  
  5. 5. sin !1 n2sin !1 n2 = =sin ! 2 n1 sin ! 2 n1
  6. 6. !1 !2 !2 !2 ! !2 sin !1 n2 = sin ! 2 n1 !1 ! = 4 ! "1 " 2 ! " 2
  7. 7. n2 = 1.331 ! max = 42°n1n2 = 1.343 ! max = 40°n1 sin !1 n2 != MAX sin ! 2 n1 ! = 4 ! "1 " 2 ! " 2
  8. 8. WHITE LIGHT
  9. 9. Radius?  20°,  30°,  42°,  50°    Color sequence?  redàblue  or  blueàred     Inside the bow is brighter or darker?     How many bows can you see? 1,  2  ,3…     Is the bow light polarized?_________  
  10. 10. nB ea utyHidde led ge Know C urio sity
  11. 11. alive ing- come- -teach -to- make 80 2-how .edu/video s/15 Levin h ttp:// tech tv.mit WalterNext Tuesday Open Space!
  12. 12. credits Video: http://techtv.mit.edu/videos/15802-how-to-make-teaching-come-alive Creative commons pictures – by-sa: http://www.flickr.com/photos/osde-info/6186614300/ http://www.flickr.com/photos/giovanniiaboni/2729591356/ http://www.flickr.com/photos/sweetone/2624102200/ http://www.flickr.com/photos/30218070@N08/5765568457 http://www.flickr.com/photos/antongl/5951514342/ http://www.flickr.com/photos/physicsdemos/5734080168/ Thank you! http://www.nationalgallery.org.uk/paintings/john-constable-salisbury-cathedral-from-the- meadowsh3p://crea9vecommons.org/licenses/by-­‐sa/3.0/  

×