The specific charge for cathode rays is

Constant

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Variable

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Dependent upon the material of the cathode

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Dependent upon the nature of gas in the discharge tube

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Solution

The correct option is A Constant
$\begin{matrix} cathode rays are stream of electrons observe in vacuum tubes. charge = - e Mass = m_{e} specific charge = \frac{charge}{Mass} = \frac{e}{m_{e}} = constant option A is correct. \end{matrix}$

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Similar questions

Q. Why do cathode rays do not depend upon the material of cathode and anode or the type of gas taken in the discharge tube while the canal rays depend?

Q. Assertion :The characteristics of cathode rays do not depend upon the material of electrodes and the nature of the gas present in the cathode ray tube. Reason: Cathode rays consist of negatively charged particles, called electrons.

Q. The nature of ________ rays depends upon the nature of the gas in the discharge tube.

Q. The nature of which rays depends upon the nature of the gas in the discharge tube?

(a) What are the cathode rays? What is the nature of charge on cathode rays?
(b) Explain how cathode rays are formed from the gas taken in the discharge tube.
(c) What conclusion is obtained from the fact that all the gases form cathode rays?

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The specific charge for cathode rays is

The correct option is A Constant cathode rays are stream of electrons observe in vacuum tubes. charge =−e Mass =me specific charge = charge Mass =eme= constant option A is correct.

The correct option is A Constant
$\begin{matrix} cathode rays are stream of electrons observe in vacuum tubes. charge = - e Mass = m_{e} specific charge = \frac{charge}{Mass} = \frac{e}{m_{e}} = constant option A is correct. \end{matrix}$