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GEIGER COUNTER.............

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kanika rajput
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 8:08 pm

thanx a lot hari~~~!!
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jOhNy
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 8:10 pm

hey kanika..r u goin to study dis??
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kanika rajput
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 8:13 pm

yupss.................it was in my boook.........but i didnt understand dat velll but now .............ill surely undrstand main concept nn hope so..........it doesnt comes in a question where details are asked

well johny u toooo go thru it...............nnnn dont take risk afeteralll itzz bordzz examination!!! flower Happy
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jOhNy
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 8:17 pm

all right kanika..thnxx fr dat.if a genius lyk is studyin it..so i shudn't take ne risks cheers
thnxx to u too hari..
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Hari
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 10:03 pm

yes john study it..its not that tough
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Anu..i luv icse...:)
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PostSubject: Re: GEIGER COUNTER............. Wed Feb 18, 2009 11:25 pm

PHY SYLL. geiger counter NOT THERE :

RADIOACTIVITY :
Radioactivity and changes in the nucleus; the
nature of alpha and beta particles and gamma
rays (problems on half life excluded);
background radiation and safety precautions.

* Brief introduction (qualitative only) of the
nucleus, nuclear structure, atomic number (
Z),
mass number (
A), radioactivity as
spontaneous disintegration of atomic nuclei
with the emission of particles (
a or b) and
radiation (
g) from within the nuclei of atoms;
their properties; changes within the nucleus;
one example each of
a and b decay with
29

* equations showing changes in
Z and A; uses
of radioactivity - radio isotopes; harmful
effects; safety precautions; background
radiation. [Numerical problems
not included].


SO GEIGER COUNTER IS NO WHERE MENTIONED, NOR ANY INFO BASED ON THE MEASUREMENT OF THE RADIATIONS IS MENTIONED.

SO ACCORDING TO ME, NO NEED TO STUDY ABOUT IT..



and then,

what yaar...at this time, we should be studying whatever is existing!! if we add new topics, then it will be memory overloading!!! hehehe!! na...syllabus overloading , actually!!
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Hari
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 2:39 pm

anyway ...everyone just study the geiger counter.if u get a question thhen u will be able to get few marks. it will take just 15-20 mins to study it..so study the explanation i had given earlier in thiis thread..cheers.... Smile
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Anu..i luv icse...:)
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 3:55 pm

hari...yeah...i know, we shouldnt take risks!!! thank you...

john...its not difficult.....read twice carefully you'll get it..

in simple words(whatever i understood! Very Happy )

GC is filled with Argon gas and traces of chlorine. It also has little potential diff.(the +ve n -ve terminals). when a charged particle is allowed to enter GC through a small opening, it ionizes the gas in GC. the ions thus formed, get more excited because of the presence of the +ve n -ve terminals. thus, more ions are formed due to the collision b/w the existing ions and atoms of the gas. this occurs only for some time, as the potential diff, is very less. the amount of ions produced gives the rate of ionization. more the ions, more is the rate.
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jOhNy
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 8:00 pm

all right...thankzz anu..now it doesn't seem tough..'vallere nanni' hehe..my wonderful malayalam LaughingLaughingLaughingLaughingLaughing
but temme...wat is the function of dis thing??
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ambili
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 8:40 pm

it's simply gr8 john........u r right there in malayalam cheers
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Hari
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 10:30 pm

so u didnt know the function of it till now huh......it is for finding the radiation levels in a particular place. it is installed in a place where u have to find how much radiation is there. according to the reading u can get the amount of radiation in that place..........an ddont forget to study background radiation and to subtract it from the reading...just refer to my explanation in the previous page... cheers sunny Smile

all others also go through the explanation and study it....u may get some marks and its easy as well..
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Anu..i luv icse...:)
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 11:32 pm

hari...tell me now,,,,,was my explaination close to ur notes?? er..well...just to verify that i have understood that thing!! Very Happy

'vallere nanni' WHAT DOES THIS MEAN????????

john...plz speak in english!! that itself is diff to comprehend sometimes....so, plz dont start some new languages here!! or else, i'll start off with my mother tongue tooo!! hehee Very Happy geek


ambili....even i know lil bit of mallu!!! Smile vellam and mor!!! thts all!!! Smile hehehe...actually, i learnt it when i went on a trip to wayanad!!! Smile) king
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Hari
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 11:38 pm

oh...anu..so u r not a malayali......anyway valere nanni means thank you very much..... Smile
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PostSubject: Re: GEIGER COUNTER............. Thu Feb 19, 2009 11:43 pm

k...then tell me what you say for Welcome!!!
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Hari
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 2:01 pm

its.....swagatham...
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Hari
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 2:02 pm

iam reminding u agin..all those who have not seen my post till now.....go through it and study it......geiger counter... Smile
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siya
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 2:35 pm

hey guys!!temme frm where u took up dis weird term!!yar it is not newhere in d syllabus buk....nor has it come netime in boards....
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Hari
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 3:00 pm

howmany times have i told u now.....it is there in my goyal textbook and its a newly added topic...my sir said that it is new and would come in the exam as there is nothing else to ask from nuclear physics..... (.fission,fusion,reactor ...everything is removed).....so u better study it....and my sir has 46 years experience and was also chief examiner in the past.. its my advice...iam not giving guaranty that a question will come..but it may come...just study it......u may get some marks.......this is what i have been saying for days now and no one is understanding ?????? if u dont want dont study it......if the question doesnt come dont tell anything to me...its upto u to decide whether to study or not....ok... lol! cheers Exclamation Exclamation Exclamation my explanation is there in this thread...if u want u can study
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ambili
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 3:20 pm

hari.....cool down............
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Hari
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 3:32 pm

ya..yes i have cooled down...its just that everyone is asking bout it....that was my final answer......ill keep reminding here bout it..so that people who want to study may study it... cheers
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kanika rajput
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 4:13 pm

it vud be a gudd help if u give example abt questions dat may be asked 4rom dis topic..........................plzzz do te;lllll type of questiions dat may be asked 4rom here!! Question Question

it vud be a gr8 help
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Anu..i luv icse...:)
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 6:48 pm

hariiiiiiiiiiii

"vallere nanni" for your advice!!! Very Happy dont worry!! i have read it and also understood it!! i'll follow your advice, my dear friend!!! so, you dont take the trouble of reminding all of us.....you have posted it now...so, we all will remember and learn it!!

Thank you loads...for typing such a loooooooong notes for us!! Smile)

now...ismile!! Smile Laughing

and also, thank you for your 46 year experienced sir toooo
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jOhNy
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 8:26 pm

hey hari...thankkss a lot buddy...no one will truble u now...since u r ur sir hav taken so much pains..we wont let u down..
so frnzz..study it..fr the sake of hari n his exp sir..
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jOhNy
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 8:28 pm

hehee sorry anu..i alwayz felt u wer frm kerela..so my fantastic malayalam..
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Hari
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PostSubject: Re: GEIGER COUNTER............. Fri Feb 20, 2009 10:01 pm

hey..wht did u people think...i never was worried or troubled or angry or anything...... dont misunderstand my words...it was only in a friendly tone......i am always smiling and will be like that forever Very Happy Very Happy Wink tongue jocolor flower Happy ......

still if u think that i became angry or something,,i'll tell a sentence::

"Let not my good friends be grieved.... nor construe any further my words.........." lol! lol! lol! lol!

have u heard these kinda lines somewhere????? Wink Wink Wink
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