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re: HSC Physics Marathon Archive Question: Describe the formation of a P-N Junction and explain how it can act as both an insulator and a conductor

Anyone else still play CS 1.6? :)

Re: Physics Tutoring For HSC 2013 -- Starting Term 4, 2012 [FILLING FAST!] Bumping for new students to commence in Term 3 holidays! I already have 5 students and am looking for some more :)

^^ as above I would like to change the title of one of my tutoring advertisements (make it relevant to the HSC 2014 cohort), however, when I change the title from within the thread, the new title is only viewable if I click in the thread. From within the forum it still displays as the old...

He did NOTHING to explain BBR. He drew from Plancks idea of quantisation, which was used to explain BBR curve. He APPLIED Plancks idea to the radiant energy field itself, rather than the energy levels in a black body. He contributed nothing to BBR, but used the hypothesis of quantisation to...

ty for helping!! +rep :D

Is there a way to check which users have given you rep recently?

See my post on edmodo or the thread which I just posted in this forum. Remember, I will be at school on (at least) Wednesday each week and you are more than welcome to come in and ask me any specific questions! :)

Stumbled across this site with Physics trial questions by dot point, most with answers! http://www.mathscience.com.au/student_resources.php ENJOY! :D

Exactly this. By convention, for 2-D projectile motion, upwards and right are positive, down and left are negative. Seeing as gravity is downward acceleration, it would be negative, however, if you choose downward as positive, then your acceleration would be positive. Try and stick with one...

I know for a fact the term concise was used in the marking scheme for 2011 and 2012 HSC Physics, interestingly, both in the extended response for the Age of Silicon option. Most of the time it is 'demonstrates coherence and logical progession'

I found the paper that the second question came from (2009 Independent trial) If you would like the marking scheme to the question, let me know, it is pretty much the same as what I said anyway.

No probs. Do you know where that 2nd question is from? I remember seeing it somewhere previously..

Buy me a ferrari? Jokes! Just make sure you are confident with all the pracs, your skills and calculations. There is only one question which will cause problems due to difficulty. Some parts of the other qs may cause problems, not due to difficulty tho. Just make sure that you read the...

Q1: Force of electron due to mag field will initially be out of the page in order to cancel this force, an electric field must be applied to cause the electron to move into the page. Seeing as an electron experiences a force in the opposite direction to an electric field, it stands to reason...

^^^ You have forgotten to take into account the amount of time which the engineer waits on the planet for her brother to arrive! (Don't feel bad, the marking scheme forgot it also!)

LoL :) Unlucky, Teg! Looks like you wont be getting that extra mark ;) Just make sure you KILL the assessment tomorrow!! :D

re: HSC Physics Marathon Archive Question: (3 marks) Red light of wavelength 670nm produces photoelectrons from a certain metal requiring a stopping voltage of 0.5V to prevent photocurrent being registered in an external circuit. Determine the work function of the metal. Express your answer in...

re: HSC Physics Marathon Archive I was hoping for this reaction! You must keep in mind that the syllabus is not just the knowledge and understanding part! Knowledge and Understanding only covers 5 of the 16 outcomes! (Page 15 in syllabus document) Check page 39 of the syllabus document...

re: HSC Physics Marathon Archive Where is your diagram! haha ;) Make sure you talk about the frequency of the signal in the transmitter and the received signal being the same, perhaps also outlining how he showed that they could be polarised, their speed etc.. Re previous question, both...