P8 light homework help
Upcoming SlideShare
Loading in...5
×
 

P8 light homework help

on

  • 382 views

Some IGCSE light questions with clues

Some IGCSE light questions with clues

Statistics

Views

Total Views
382
Views on SlideShare
358
Embed Views
24

Actions

Likes
0
Downloads
1
Comments
0

2 Embeds 24

http://cbcscience.pbworks.com 21
http://www.slashdocs.com 3

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

P8 light homework help P8 light homework help Presentation Transcript

  • This is about lateral inversion.• Where does the image appear to come from?• Extend the rays from the point of intersection and where does do they originate from?• What do you notice about the distance of the object and the image?
  • Image of girl You must draw out a diagram!To start with the girl is 5 metres away from the mirror– how far away is she from from her image?
  • Draw the normal for this ray!How manydegrees arethere in atriangle? View slide
  • Angle of i = angle of r You must draw out a60º 60º diagram! Work out this angle beacuse you know how many degrees are in a triangle, draw the normal at 90º and…. 45º ?º View slide
  • What is the angle of reflection?Where is the angle of reflection?
  • Is this a trick question? Where is the normal?
  • Dispersion
  • Total internalreflectionWhere is thenormal? Think about the critical angle?