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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2007 14:32:26 IST
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the ratio of the speed of sound in nitrogen gas to that in helium gas at 300k is?
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28 Mar 2007 14:46:07 IST
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is it 1 : 1
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light travels the fastest ??? NO
wherever light goes it always finds that darkness has already got there |
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28 Mar 2007 15:30:25 IST
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no
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28 Mar 2007 17:09:53 IST
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v    / M
 vn / vhe = sqrt[( 7 * 3 * 4)/(5 * 5 *28)]
=sqrt[3/25]
so ur answer is correct joyfrancis
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28 Mar 2007 18:22:53 IST
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then it must be Vn/Vhe = [2 ] [ 20/133 ] (gram molecular mass of He = 4 ryt ?? )
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light travels the fastest ??? NO
wherever light goes it always finds that darkness has already got there |
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28 Mar 2007 22:10:04 IST
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the ans is sqroot(6/25)..i;m getting sqroot(3/25)
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28 Mar 2007 22:20:05 IST
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what did u do ??
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light travels the fastest ??? NO
wherever light goes it always finds that darkness has already got there |
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29 Mar 2007 10:24:24 IST
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speed in gas medium is root(p  /  ) assuming the pressure to be constant..calculate gamma by 1+2/f(f=5 and 3 resp) and = 14/22.4 and 4/22.4 resp. taking ration you get root3/25..
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2 Apr 2007 21:37:13 IST
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arrey!...the ans im getting is right...sorry ..hehe
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