What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment?
The stream of cathode ray particles was moving very slowly.
The glass opposite of the negative electrode started to glow.
The electric voltage had little effect on the stream of particles.
The tube contained two pieces of metal that served as electrodes.

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fabianhernandez10174 fabianhernandez10174

13-06-2022
Chemistry

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What did J. J. Thomson observe when he applied electric voltage to a cathode ray tube in his famous experiment?
The stream of cathode ray particles was moving very slowly.
The glass opposite of the negative electrode started to glow.
The electric voltage had little effect on the stream of particles.
The tube contained two pieces of metal that served as electrodes.

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kumaripoojavt kumaripoojavt · Answer 1 · 2022-06-21T13:34:26+02:00

The glass opposite to the negative electrode started to glow. Hence, option B is correct.

What is a cathode ray tube?

A cathode-ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface.

J.J. Thomson, through his famous Cathode ray experiment, proved that all atoms contain small negatively charged particles known as electrons. In the experiment, he applied electric voltage across a cathode ray tube. a fluorescent material coating was done on the positive side. When the voltage was applied, the positive side has glowing dots.

Hence, option B is correct.

Learn more about the cathode ray tube here:

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