Consider the following statements about cathode rays
(a) These rays start from cathode and move towards anode
(b) Television picture tubes are cathode ray tubes
(c) Characteristics of cathode rays depend upon the material of electrodes used
The correct statements are

(a) & (c) only

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(a), (b) & (c)

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(b) & (c) only

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(a) & (b) only

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Solution

The correct option is D (a) & (b) only
Answer (1)
Characteristics of cathode rays are independent of the material of electrodes used.

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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

The characteristics of cathode rays do not depend upon material of electrodes.

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