if a proton enters perpendicularly a magnetic field with velocity V then time period of revolution is T if proton enters with velocity 2v then time period will be----plz give correct answer answer T

if a proton enters perpendicularly a magnetic field with velocity V th

1.	if a proton enters perpendicularly a magnetic field with velocity V then time period of revolution is T if proton enters with velocity 2v then time period will be----plz give correct answer answer T
Answer» EXPLANATION: When PROTON enters the magnetic field it will EXPERIENCE a FORCE due to which it starts revolving With T= 2πr/v. = 2πr/v ............(1). Now, if it enters with 2v then T' = 2πr / 2v. Or. T' =T/2

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if a proton enters perpendicularly a magnetic field with velocity V then time period of revolution is T if proton enters with velocity 2v then time period will be----plz give correct answer answer T

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