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lol.. lighten up guys.. geez be nice.. no wonder its so dull.. someone makes an effort and everyone puts him down =P

i'm asian. i do better in english than maths.

i understand what the unknown poster is saying up there.. cuz u see ppl stressing and stressing about their marks as if there's no tomorrow if they lose (heaven forbid) a certain number of marks and so on.. *rolls eyes* but yeh... if it's one year to work ur ass then it's year 12.. and even if...

h is Planck's constant. f is the frequency of the radiation E is the energy of each 'lump' of radiation, dependent on f. Einstein used Planck's hypothesis regarding the quantisation of energy to explain the photoelectric effect.. (Planck had already explained b-b radiation.. einstein didnt'...

argh~! i believe there are a number of threads already on this topic... =P search it dude~! =)

now i know not to trust newbie mwahaha.... the advice line people said you should know what an auxiliary circle is ... oh well happy studying =)

do we have to know auxilliary circles method for sketching ellipse/ hyperbola ?? anyone know for sure?? (or i will call infoline later).......................

it's difficult.. crazy.. but not impossible. 6 accelerated.. hmm... prolli a couple of distinction courses... leaving about 14?12? units to do during year 12... scary.. but not impossible =P

interesting... lol.. are there any other dodgy number tricks i should know about? :( i didn't even know 0! was 1.. i only realised when i did that 97?98? paper...

the joy of doing 4u :( okay so i'm gonna sound like a complete dope.. but why is 0! (zero factorial) equal to 1?

why in two years time?

oh yes mercury.. *trust*. conq is pretty comprehensive.. pathways is more interesting to read than conq but it doesn't cover the syllabus as well. i don't hink there are any *must have* texbooks other than conq tho.. there are plenty of websites online for any extra info, plus u got the...

lol.. that's fantastic haha.... (waay too much time on ur hands mate) wit cellulose remember u got the ch2ch group and the O on alternating sides of monomer units.. so like.. take the pic above and draw it upside down for the adjoining monomer... (???)

how can u have a neutral semiconductor? bah. i'll fudge it in the exam.

lol.. and the funny thing is, the textbook writers prolli all got it from the same source as well... shows how attentive they are.

hmm.. interesting... bos won't let me attach a file bigger than 1b. hmm... well.... my file is bigger than 1b, amazingly enuf. mathematician, if u still want it, then pm me or something..

but the n-type layer is the side exposed to the sunlight.. (not the junction). It works cuz electrons are released by photoelectric effect (notice how solar cells don't work in the dark? haha.. usyd open day last year.. solar-powered car race and one of the cars stopped when it went in the...

yeah.. oops sorry if that was poxy wording. just.. each and every electron in an atom will be in different quantum states. btw magnetic and orbital (and principal) quantum states had already been suggested - pauli only introduced the s-number.

from the travellers perspective (relative motion) the distance to be travelled will seem shorter due to length contraction so effectively, less fuel will be needed. same deal for time dilation.. the trip time will seem shorter. so it's no probs for the on-board travellers. but because of...

hey how come i'm ill????? lol um... i dunno how succinct i can be (-X- was pretty good) - u got a layer of p-type silicon, then on top, a layer of n-type silicon. The n-type faces the sun, the p-type doesnt. - sunlight hits the n-type, and electrons are released due to the photoelectric...