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A charged particle of charge e and mass m is moving in an electric field vecE and magnetic field vecB. Construct dimensionless quantities and quantities of dimension [T]^(-1). |
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Answer» SOLUTION :When electron enter in perpendicular magnetic field than magnetic force balance with CENTRIPETAL force, `(mv^(2))/R=qvB` `therefore(qB)/m=v/R=omega` `thereforeomega=v/R=(M^(0)L^(1)T^(-1))/L^(1)=T^(-1)` Thus, ANGULAR frequency having dimension equal to `T^(-1)`. |
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