which of the following statements contradicts the characteristics of cathode rays
a) cathode rays are common constituent of all matter
b)cathode rays are not deflected by electrical and magnetiv fields
c) cathode rays ionize gases through which they pass
d)cathode rays are material particles and can rotate a light paddle wheel placed in their path

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Solution

Option b. It contradicts with the cathode rays. They are deflected by electric and magnetic field. Because they are charged particles.

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Question 04

Which of the followig statement is not correct about the characteristics of cathode rays ?

(a) The start from the cathode and move towards the anode

(b) They travel in straight line in the absence of an external eletrical or magnetic field

(d) Characteristics of cathode rays depend upon the nature of gas present in the cathode ray tube

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