An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi infinite region of uniform magnetic field perpendicular to the velocity.
Which of the following statement(s) is /are true?

Options

A. (i) only
B. (ii), (iii)
C. (ii), (iv)
D. (iii) only

Answer

C

Explanation

`T = (2pi m)/(Bq)`
`(t_(p))/(t_(e)) = (T_(p)//2)/(T_(e)//2) = (m_(p))/(m_(e))`
`t_(p) gt t_(e)`