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Plz ans and explain.........................................

Plz ans and explain......................................... 

Question Image
Grade:12th pass

1 Answers

Susmita
425 Points
3 years ago
Magnetic force=qvB
Proton's weight=mg=1836×9.1×10-31N
q=1.6×10-19C,B=2.5×10-3T
qvB=mg
Or,v=mg/qB
Put the values.you will get
v=4.09×10-5m/s
 

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