How did everyone find the exam?
Erm well the critical angle is the angle of incidence for which the angle of refraction is 90 degrees. Any other questions?
Yes just one more. What is the term given for two waves that have a constant phase difference?
Oh yeah, I got that. Thanks for your help. I got that as well. Good luck in your chemistry exam on tuesday.
okay... whilst watching you talk to yourself is fun, it isn't that good for you... a couple of my mates sat the exam and thought it went pretty well, just the prac side to do now...
Yeah, i sat it today. piece of piss =)
I thought it was pretty easy aswel, the practical exam is on monday chats, in the afternoon.