Two particles of masses `m_a` and `m_b` and same charge are projected in a perpendicular magnetic field . They travel along circular paths of radius `r_(a)` and `r_(b)` such that `r_(a) gt r_(b)` . Then which is true ?

Magnetic force acting on the charged particle projected perpendicular to magnetic field is proportional to r^(n) , where r is radius of circular path. Find n

Magnetic force acting on the charged particle projected perpendicular to magnetic field is proportional to r^(n) , where r is radius of circular path. Find n

A particle of mass m and charge q enters a magnetic field B perpendicularly with a velocity v , The radius of the circular path described by it will be

Two particles of equal charges after being accelerated through the same potential difference enter in a uniform transverse magnetic field and describe circular paths of radii R_(1) and R_(2) . Then the ratio of their respective masses (M_(1)//M_(2))" is"

Two particles of equal charges after being accelerated through the same potential difference enter in a uniform transverse magnetic field and describe circular paths of radii R_(1) and R_(2) . Then the ratio of their respective masses (M_(1)//M_(2)) is