  |
Blackboard and white chalk
|
|
|
Book
reading : J. BILLINGHAM and A. C. KING, Wave Motion,
Cambridge University Press (2000)
Sound
track : =1=, =2=, =3=, =4=,
=5=
Sound
track : =6=, =7=
Sound
track : =8=, =9=, =10=, =11=
Sound
track : =12=, =13=, =14=, =15=,
=16=
Sound
track : =17=, =18=, =19=
Sound
track : =20=, =21=, =22=, =23=
Sound
track : =24=, =25=, =26=, =27=
O. Thual, 26/9/2010