Two balls of charges q1 and q2 initially have the exact same velocity. Both the balls are subjected to same uniform electric field for the same time. As a result, the velocity of the first ball is reduced to half of its initial value and its direction changes by 60°. The direction of velocity of second ball is found to change by 90°. (i) The electric field and the initial velocity of the charged particle are inclined at what angle? (ii) The new velocity of the second charged particle has a magnitude `x` times the initial velocity. What is the value of x? (iii) If the specific charge ( charge to mass ratio) of the first ball is k, what is the specific charge of the second ball ?

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Pavit Kaur · Answer

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