GOLDSTEIN

     Goldstein

        In 1886 Goldstein observed that in addition to cathode rays, other rays were also present in the discharge tube.These rays were traveling in opposite direction to cathod rays.He used a discharge tube  having performed cathode.He found that these rays passed through holes present in the cathode and produced a glow on the walls of the discharge tube.He called these rays as "CANAL RAYS"

• These rays travel in straight line in a opposite to the cathod rays 
• The nature of canal rays depend upon the nayure of gas, present in the discharge tube.
• These rayss do not originate form the anode.

         
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