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Goldstein in 1886 discovered presence of new radiation in gas discharge is called canal rays
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These rays are positively charged .They are material particles. They travel in a straight line. When the cathode used in discharge tube experiment is perforated ,high voltage is applied and a pressure within 0.001mmhg a new type of ray originate in the anode side passes through the perforations in the cathode these rays are known as Canal rays or Anode rays
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Canal rays are positively charged radiations that can pass through perforated cathode plate. These rays consist of positively charged particles known as protons.

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