1.

A neutral atom which is stationary at the origin in gravity -free space emits an alpha- particle (A) in the z-direction. The product atom is P. A uniform magnetic field exists in the x-direction. Disregard the electrostatic forces between A and P.

Answer»

`A` and `P` will move along CIRCULAR parths of equal RADII.
`A` has greater time period of ROTATION than `P`
`A` has greater KINETIC energy than `P`
`A` and `P` will meet again somewhere in the `yz` plane.

Answer :A::C::D


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