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Basically the thermionic rays are fast moving electrons. They originate in the region having an excess of electrons. So originate from the cathode.

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11y ago

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Why cathode rays are negatively charged?

Cathode rays are negatively charged because they are composed of electrons, which have a negative charge. When a high voltage is applied to the cathode in a vacuum tube, electrons are emitted from the cathode and accelerated towards the anode, creating a beam of negatively charged particles known as cathode rays.


How do cathode rays form?

Cathode rays are the emission of free electrons form the negative pole of an electric circuit. To get this to happen you need to warm the cathode and place it in a vacuum tube with a high voltage across it. The electron then jump form the cathode and fly across the empty tube to the anode (positive end). They may be bent by magnetic fields in flight.


Cathode rays were shown to be a stream of?

Cathode rays are electrons.


Cathode rays were found to be made of protons.?

Cathode rays are electrons.


What are the uses of Cathode Rays and Anode Rays?

cathode rays can emit electrons anode can collect them


What is the modern day name for cathode rays?

Cathode rays are electron beams.


What is modern name for cathode rays?

A modern day name for cathode rays is an electrons.


In cathode ray tube cathode and anode rays travel opposite to each other but they are not neutralized. why?

There is no such thing as anode rays. The cathode rays (aka electron beam) just travels from cathode to anode.


What did experiments with cathode rays lead to the discovery of what?

experiments with cathode rays lead to the discovery of the Electron.


What is the charge of the particle in cathode rays?

The charge of the particle in cathode rays is negative. This was determined by J.J. Thomson through his experiments with cathode ray tubes in the late 19th century, which led to the discovery of the electron.


Is cathrone rays steams of electron?

yes, cathode rays are streams of electrons


How do charged plates affect the path of cathode rays?

The electron particles in cathode rays have a negative charge. So if a plate is positively charged, it would attract the cathode rays, and if it was negatively charged, it would repel the rays.