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so......how was the paper?????

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pavan
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PostSubject: so......how was the paper????? Fri Mar 13, 2009 4:15 pm

it was quite difficult for me
how much do u except
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Boris
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 5:11 pm

Yeah.......paper was a little bit more difficult nd lengthy than previous yr.........but still i did pretty well.......I xpet between 90-95
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 6:57 pm

It wasn't as easy as Maths But was gud
A few Qs were a bit tough
Expect at least --------- 86
not less than that PlZZZZZZZZZ
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arshbir
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 7:12 pm

I think it wasn't difficult .I missed 2marks by my mistake and expecting above 95.although my maths paper was worst i carelessly made mistakes i may get about 90 but my fault EX:i wrote in calculations32+16=38 and so on i think maths and science are coming to easy must not be like this .the paper must be tough and interesting as7-8years before.
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:13 pm

yup..the paper wasn't difficult but it wasn't as wasy as maths...i lost 3 marks quite foolishly so i'm very upset...rest was gud..
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:18 pm

it was easy....didnt expect it to be easy....yeah...the papers should be tough...atleast for next year batch!! Smile

but one question...

what did you guys write for this ques:

name the term which will not change for a machine of a given design-MA,VR or efficiency?

the energy changes in an electromagnet
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:19 pm

VR
elctrical to magnetic or mechanical..

so anu..100 in phy??
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:19 pm

can u plss show me the working of the thermal capacity ques in sec A??
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Anu..i luv icse...:)
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:21 pm

johny...u sure with ur ans? me too wrote the same!!

hehe...started yur game of pulling my leg....i will be happy if i get that much, but i have also done one stupid silly mistake, which i had known well!....so, i hope to get more than 90....u? above 95?
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:23 pm

so pullin legs yaar..i got that ques wrong ..n along with it that 42 degree one in sec A..i was soo silly..i drew the rite diag. n then cut it out n made the wrong one!!so above 95 is tuff..
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:24 pm

actually, even i have a doubt....i am not sure.. coz for two marks, i did more working!!

first find the heat energy(h.e.) for 40g of water to cool to 30 from 60 degree. -1

then find the h.e. required to increase the temp of 50g....-2

subtract 2 from 1 to get h.e.-Q

the remaining heat is used for the vessel to get heated...

so, heat capacity= Q/t

t=30-20

hope its correct!!
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:25 pm

wats the ans then??
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:26 pm

actually i also did the same..but missd out in the working sumwere..
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:26 pm

k...

i dont remem the ans...will work out now!
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:29 pm

is it 294J/C?
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:30 pm

hey dunn worry..u r rite...every1 got dis ans..dunno wer i went wrong...
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:33 pm

i hope i did it correctly in the exam....i did this now and got this answer!! so, i dont remember what i have done in the papr!

you sure abt that VR thing?

n did u attempt that 10th radioactive ques? do u knw why the barium platinocyanide is coated on the glass screen? Suspect

i didnt attempt it...i am curious to know!
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:34 pm

see, i told resistivity is not there...then that geiger thing...where is hari genius?
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QUEST
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:36 pm

barium platinocyanide is coated for fluorescence.
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QUEST
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:37 pm

whtz the heat capacity question
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jOhNy
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:37 pm

yaa..i did the 10th one...barium plat is a floursecent substance...so it produces flourescence..
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:38 pm

ah...quest you there...so, are you studying in tenth ??? check out my ques and answer them ...plz Embarassed

the heat capacity of vessel...in q.4
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Apurva
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:39 pm

my paper wsnt dat gud
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QUEST
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:39 pm

i dnt hv the paper
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QUEST
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PostSubject: Re: so......how was the paper????? Fri Mar 13, 2009 8:40 pm

and V R is correct
so is enrgy change frm electrical to magnetic
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