Physics Question from JEE Main 2023 · 1 February, Shift 1

A charge particle of $2 \, \mu C$ accelerated by a potential difference of $100 \, \text{V}$ enters a region of uniform magnetic field of magnitude $4 \, \text{mT}$ at right angle to the direction of field. The charge particle completes semicircle of radius $3 \, \text{cm}$ inside magnetic field. The mass of the charge particle is _____ \times $10^{-18}$ kg.