A flat circular disc has a charge $ + Q$ uniformly distributed on the disc. A charge $ + q$ is thrown with kinetic energy $E$ towards the disc along its normal axis. The charge $q$ will
A flat circular disc has a charge $ + Q$ uniformly distributed on the disc. A charge $ + q$ is thrown with kinetic energy $E$ towards the disc along its normal axis. The charge $q$ will
- A
Hit the disc at the centre
- B
Return back along its path after touching the disc
- C
Return back along its path without touching the disc
- D
Any of the above three situations is possible depending on the magnitude of $E$
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- [JEE MAIN 2020]
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