307621 Consider the following statements about cathode rays.
I. These moves from cathode to anode.
II. These are visible rays.
III. Television picture tubes are cathode rays tubes.
IV. In the absence of electrical or magnetic field, these rays travel in a straight line.

307617 Consider the following statements:
I. Canal rays are simply the charged gaseous ions.
II. Charge to mass ratio of these particles is found to depend on the gas from which these originate.
III. Some of the positively charged particles carry a multiple of the fundamental unit of electrical charge.
IV. Behaviour of canal rays in the electrical or magnetic field is opposite to that observed for cathode rays or electron.
Which of the above mentioned statements are correct?

307621 Consider the following statements about cathode rays.
I. These moves from cathode to anode.
II. These are visible rays.
III. Television picture tubes are cathode rays tubes.
IV. In the absence of electrical or magnetic field, these rays travel in a straight line.

307617 Consider the following statements:
I. Canal rays are simply the charged gaseous ions.
II. Charge to mass ratio of these particles is found to depend on the gas from which these originate.
III. Some of the positively charged particles carry a multiple of the fundamental unit of electrical charge.
IV. Behaviour of canal rays in the electrical or magnetic field is opposite to that observed for cathode rays or electron.
Which of the above mentioned statements are correct?