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would it record a voltage? i don't think so.

lol, so initially iron would basically form on the mg surface

so helper who do u think its the father of quantum theory?

i don;t see why no though. it wouldn't make anything wrong.

just to justify. all plank did was derive a formula from the experimental data. Where he found that the energy is all in the multiples of "h". is that all he did? that all i remember though.. :rolleyes:

for the exam, the examiner was so nice. if u want water u can get a cup from the front with water and u can take it to ur table to enjoy thoroughly. and i read that only people with special needs can take drinks in the the exam. :)

thats based on the quantum theory.

u rekon? just another question, beside the calculation of Z and ratio of deflection is there any other calculations in med phy?

well really hope that Q14 is A...hoping to get full marks.

hey!!! why did u link it to my homepage for? :rolleyes:

u get good diagrams and explaination in any text book. good to draw a diagram for those kind of questions :)

yea, also basing on that fact that aether is considered the constant frame of reference

lol, glad u see the sameness of it. when i explain to other people they just dun see it!!! but yea i think its the same. but all books say it separately.

don;t base it on that. use some common sense and look at the diagram and think. would i be wrong to say that the iron would actually form on the magnesium?

pretty sure its calcium! cause most trace elements are metals anywayz

ur right. lol dun have jackaranda. but i reckon u need to talk about both. even though i say they are different methods, i just dun see the difference!!!. if decelerates by hitting the tungsten target. which causes electrons knock outs. so its the same thing... wtf

yep. so when u get the Z from the density and speed of sound through the substance, divide that by the rayl number u gave and u get the number of rayls

wat? the electrons deceleration depend on how much voltage is proved. also it gives out a whole spectrum of waves, some of it being x-ray. the faster the electron = faster deceleration = more x-rays due to more energy, as x-ray on the high end of the spectrum. talk about the other method...

at the beginning of reading that question and saw it was 4 marks i thought that it would require something special. so i wrote that Mg would produce a non porous oxide that would stop the corrosion, so nothing much happens. than i thought fuk it and went back to the normal displacement...

yea thats right. they had a MC question on it and that was the solution. using the formula F=(-ma+mg)/g the balls would stay in the socket due to g.