A light paddle wheel is placed in the path of cathode rays in a cathode ray discharge tube experiment and it was found that cathode rays rotate the paddle wheel.
This observation leads to which of the following conclusions:

Cathode rays are negatively charged

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Cathode rays are positively charged

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Cathode rays contain material particles having both mass and velocity

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All of the above

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Solution

The correct option is C Cathode rays contain material particles having both mass and velocity
The rotation of the light paddle wheel on being placed in the path of cathode rays suggested that they contain material particles having both mass and velocity.

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Similar questions

(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?

(a) What are 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.

Goldstein used a modified type of discharge tube with a perforated cathode. He observed that certain rays travel in a direction opposite to that of the cathode rays. These rays are called ________ .

Cathode rays are negatively charged particles because they are attracted to the ___ plate of the cathode ray tube.

Q. In the discharge tube, cathode rays are found to move along a straight line path. This is possible when:

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Positive Rays and Neutrons

Standard XII Chemistry

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A light paddle wheel is placed in the path of cathode rays in a cathode ray discharge tube experiment and it was found that cathode rays rotate the paddle wheel. This observation leads to which of the following conclusions:

The correct option is C Cathode rays contain material particles having both mass and velocityThe rotation of the light paddle wheel on being placed in the path of cathode rays suggested that they contain material particles having both mass and velocity.

A light paddle wheel is placed in the path of cathode rays in a cathode ray discharge tube experiment and it was found that cathode rays rotate the paddle wheel.
This observation leads to which of the following conclusions:

The correct option is C Cathode rays contain material particles having both mass and velocity
The rotation of the light paddle wheel on being placed in the path of cathode rays suggested that they contain material particles having both mass and velocity.