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Which one of the following statements is not true for cathode rays? (a)Cathode rays produce heat when incident on metals (b)Cathode rays travel in a straight line (c)Cathode rays do not deflect in electric field (d)Cathode rays produce fluorescence when they fall on certain meterials



Which one of the following statements is not true for cathode rays?


(a)Cathode rays produce heat when incident on metals


(b)Cathode rays travel in a straight line


(c)Cathode rays do not deflect in electric field


(d)Cathode rays produce fluorescence when they fall on certain meterials


Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
7 years ago

(c)

Cathode rays are negatively charged rays. Hence, when electric field is applied to them, then they deflect in direction opposite to electric field.

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