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The question is: Analyse the significance of the hydrogen spectrum in the development of Bohr's model of the atom.( 5 Marks)

hey if you're asked to find the greatest coefficient in some binomial expansion and the result turns out to be negative, what would you do?

Act II sees Rita becoming an "educated" woman and achieving what she has set out to achieve: she now understands literary criticism, is able to write essays that rank her equivalent to the "proper students" and talk confidently with people from the high-class society. etc I've read some notes on...

It's said that the experiment of Davisson and Germer in which electrons are accelerated and fired at the surface of a nickel crystal demonstrates a wave property of the electrons. However, I can't really see how the scattering of the electrons in the experiment displays what we term...

Can any please explain the differences between those two? As far as I know, 'diffraction' means bending or spreading out of waves around an obstacle-but is "diffraction" simply a change in direction of waves through a specific angle? If so, is it also "refraction"?

Does anyone know the complete proof for a curve to form a loop, for example if you are to prove that this curve:x=t^2 and y=t(4-t^2) forms a loop??? THanks in advance, guys

How would you find the range of y= xcos^-1 x ??

Can someone please tell me if the integral S 1/ (5-4cosx) dx from x=0 to x= pi can be calculated??

I'm sorry I know this is a very dumb question: Hertz produce radio wave when he made an electric spark. Why is that spark neccessary?

Hi everyone, how would you do this question?? Find the integral S dx/ [x^2 . squrt of (x^2 +1 )] My apologies I don't know how to use codes

It's question 20 page 89 in Fitzpatrick. I have attempted a few ways in approaching it but still I am stuck - -'. If you have some time please take a look and help me. Any idea will be really appreciated. this is the question: P and Q are points on the ellipse (E) and the chord PQ contains a...

eg CO2, SO2 I"m confused with this because in my note, SO2 and CO2 are used as counter-examples of Davy's definition of acids.

Hi does anyone have any ideas about how Einstein came to the conclusion that the speed of light was constant during his postulation of the Principle of Relativity? I can't see why he went from the point that the speed of light must be the same for passenger on the train and the observer ouside...

I don't know what is seriously wrong inside my head but I'm feeling heavy and depressed all the time as though I had committed some kind of crime. Sometimes I sat at my desk and just stared blankly at a spot, and then all the weird thoughts started to creep in.:uhoh: Consciously i know that i...

Well, as stated on the title above, i need an English tutor ( English standard) in Western Sydney region. Location close to Bankstown would be even more convenient. Please email me at doere@live.com as soon as you read this post

One of my texts for this Area of study, belonging is the film "Strictly ballroom". I've started writing my "detailed notes" 2 days ago and experienced heaps of serious problems.( I couldn't sleep at night feeling horror-struck at the thought that "i can't write"). I hope that someone would be...

Does anybody have the poem "Sometimes gladness" by Bruce Dawe? i really need it now. I've been searching on the internet all day but it didn't work. i've also thought of going local library but i couldn't. I lost my wallet on Tuesday so all the identity + travel cards were lost as well as the...