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10 Jan 2008 12:15:31 IST

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plz explain dis prob n tell me how todo

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a narrow beam of singly charged carbon ions , moving at a constant velocity of 6*10m/s,is sent perpendiculary in a rectangular region having uniform magnetic field b=0.5T. it is found that two beams emerge frm the field in the backward direction ,the separations are 3cm and 3.5 cm.identify the isotopes present in the ion beam . take the mass of an ion=A(charge of an electron)kg,where A is the mass number

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ajita s

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10 Jan 2008 12:21:12 IST

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narrow beam of singly charged carbon ions , moving at a constant velocity of 6*10m/s,is sent perpendiculary in a rectangular region having uniform magnetic field b=0.5T. it is found that two beams emerge frm the field in the backward direction ,the separations are 3cm and 3.5 cm.identify the isotopes present in the ion beam . take the mass of an ion=A(charge of an electron)kg,where A is the mass number

ajita s

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10 Jan 2008 12:22:40 IST

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Krishna Gopal Singh

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Joined: 29 Dec 2006

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11 Jan 2008 00:10:48 IST

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By qvB=mv^2/r
So m = qBr/v
you can find mass like this. I can't find it myself because i don't understand how can mass = mass number*charge of electron
But clearlymass of two isotopes are in ratio of 3.5:3

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