Loading presentation...

Present Remotely

Send the link below via email or IM


Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.



No description

Paul Sheffield

on 31 October 2016

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Light

Total internal reflection
Critical angle

What is the refractive index?
How can you calculate it?
How did Mr Sheffield get it wrong last lesson?
Does it now work?
Finding the critical angle
Text books
Uses of total internal reflection
Total internal reflection and critical angle:

HT only

Refractive index =
sin c

Visible light can be sent along optical fibres.

The laser as an energy source for cutting, cauterising and burning.
Full transcript