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10 Question-answer on cathode rays and positive rays 1.        Cathode rays are made to pass between the poles of magnet perpendicular to axis, the effect of the   magnetic field is: (a)     To increase the velocity of rays (b)    To deflect them towards the north pole (c)     To deflect them towards the south pole (d)    To deflect them upwards above the plane of paper Ans: ( d) 2.        The mass of a proton is 1836 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction perpendicular to the field with equal initial kinetic energies. Then (a)     The electron trajectory is less curved than the proton trajectory (b)    The proton trajectory is less curved than the proton trajectory (c)     Both trajectories are equally curved (d)    Both trajectories...