An electron (mass `=9xx10^(-31)kg`. Charge `=1.6xx10^(-19)C)` whose kinetic energy is
Channel: Doubtnut
Date: 23/08/2020

An electron (mass `=9xx10^(-31)kg`. Charge `=1.6xx10^(-19)C)` whose kinetic energy is `7.2xx10^(-18)` joule is moving in a circular orbit in a magnetic field of `9xx10^(-5) "weber"//m`. The radius of the orbit is