Posterous theme by Cory Watilo

 

 

3.14

10 February 2011

14:45

·         3.14 recall that light waves are transverse waves which can be reflected, refracted and diffracted

 

Watch the demos for...

·         Reflection of a laser in a smoke box

·         Refraction of a laser in a smoke box

·         Diffraction of a laser by a human hair

 

 

3.10 to 3.13 Plenary Answers

01 April 2011

16:09

<<Answers to Everything I need to know about the EM Spectrum.doc>>

(download)

 

 

3.15 practical

10 February 2011

14:56

<<Investigating reflection expt worksheet.doc>>

 

 

3.15

10 February 2011

14:56

·         3.15 recall that the angle of incidence equals the angle of reflection

Reflection, i=r

<<Obj 3.15.ppt>>

<<animated law of reflection.swf>>

 

 

3.15 plenary

10 February 2011

14:56

<<reflection game.swf>>

(download)

Click here to download:
Obj 3.15.ppt (287 KB)
(download)

Click here to download:
Investigating reflection expt worksheet.doc (151 KB)
(download)

(download)

 

 

3.16

10 February 2011

14:56

·         3.16 construct ray diagrams to illustrate the formation of a virtual image in a plane mirror

<<Obj 3.16.ppt>>

Reflection – virtual image

 

 

3.16 Plenary Answers

10 February 2011

14:56

For plane mirrors, the image is…

·         The same size as the object

·         The same distance as the object from the mirror

·         Virtual (not real)

·         Upright

·         Laterally Inverted

Task 1 Answers

 

For plane mirrors, the image is…

·         The same size as the object

·         The same distance as the object from the mirror

·         Virtual (not real)

·         Upright

·         Laterally Inverted

 

 

3.15 and 3.16 Plenary Multiple Choice Questions

21 April 2011

09:44

<<Plenary Questions.ppt>>

Click here to download:
Plenary Questions.ppt (166 KB)
(download)

Click here to download:
Obj 3.16.ppt (306 KB)
(download)