a charged particle moves in a gravity free space without change in velocity. Which of the following is/are possible?

A charged particle moves in a gravity-free space without change in velocity. Possible cases are

if a charged particle projected in a gravity free room it does not deflect.

if a charged particle projected in a gravity free room deflects,

if a charged particle projected in a gravity free room deflects,

if a charged particle projected in a gravity free room deflects,

When a particle is moving with uniform velocity which of the following changes

In gravity free space heat transfer is not possible by

In gravity free space heat transfer is not possible by

A particle moving with velocity V changes its direction of motion by an angle theta without change in speed. Which of the following Statement is not correct?