Which of the following statements is wrong about cathode rays?

They travel in straight lines towards cathode

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They produce heating effect

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They carry negative charge

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They produce

X

-rays when strike with material having high atomic masses

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Solution

The correct option is A They travel in straight lines towards cathode
The statement (A) is wrong.
Cathode rays travel in straight lines from the cathode. Cathode rays are made up of negatively charged electrons which move away from the cathode. The cathode is a negatively charged electrode. Like charges repel each other.

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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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