Answers

2016-02-04T17:57:18+05:30
canal rays are streams of positive ions in a rarefied gas.there constituting particles have positive charge Due to their having a larger mass than electrons, canal rays are more penetrating and less easily bent than cathode rays. canal rays were used by J.J. Thomson which lead to the discovery of the electrons...
1 5 1
2016-02-05T20:48:49+05:30
They travel in straight line.
Positively charged.
These are material particles.
0