Accelerating electrons... Old study design?

[cameron_15]

Hey guys, I'm doing the older VCAA stuff and there are questions about accelerating electrons through potential differences. I have one formula on my cheat sheet which allows me to solve these, however I was not taught this in class.

Is it something I should know?

if yes, what are any relevant formulas I might like to have?

thanks guys.

[schnappy]

I was taught this. It's important to experiments, but light&matter doesn't really have a prac component to it so I'd be very surprised to see it on the exam.

[cameron_15]

I was taught this. It's important to experiments, but light&matter doesn't really have a prac component to it so I'd be very surprised to see it on the exam.

damn smart kids in year 11 that know more than me!

Just kidding, The formula I have on my cheat sheet (I stole most of it off one from here) is

Volts=h^2 / (2mq(lamda)^2)

Is there anything else I should know? I use this to find wavelength then do equations from their.

[Galvanic Cell]

Im pretty sure its just part of the synchorotron now..

[Chavi]

I was taught this. It's important to experiments, but light&matter doesn't really have a prac component to it so I'd be very surprised to see it on the exam.

I've come across this in '10 third party exams. There is a strong chance it will be on the exam.

Just remember that Ek=eV and then simply rearrange to find the desired unknown (Ek = hc/lamda or Ek=hf)