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Q.

Who discovered the presence of new radiations in a gas discharge and called them canal rays.

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a

Neils Bohr

b

Ernest Rutherford

c

J.J. Thomson

d

E. Goldstein

answer is B.

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Detailed Solution

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E. Goldstein, in 1886 discovered the presence of new radiations in a gas discharge and called them canal rays. 

Canal rays (or anode rays) are streams of positively charged particles that move toward the negative electrode (cathode) in a discharge tube when high-voltage electricity through a gas at low pressure through a discharge tube.

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