Difference between cathode rays and positive rays
Difference Between Cathode Rays And Positive Rays
|SN||Cathode Rays||Positive Rays|
|1.||Cathode rays are made of negatively charged particles (electrons).||Positive rays are made of positively charged particles.|
|2.||The charge is equal to the electron charge.||The value of charge on them is an integral multiple of electron charge.|
|3.||Their velocity is much higher.||Being heavy, their velocity is less.|
|4.||Mass is less i.e. equal to electron mass.||Mass is more and is equal to the atomic weight of the gas present in the discharge tube.|
|5.||Kinetic energy is less.||Kinetic energy is more.|
|6.||Specific charge (e/m) is more and it is a universal constant.||Specific charge (q/m) is less and not a universal constant.|
|7.||Cathode rays were discovered by JJ Thomson.||Positive rays were discovered by Goldstein.|
|8.||Their ionizing power is less.||Their ionizing power is more.|
|9.||Their penetrating power is more.||Their penetrating power is less.|
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