Question

what is the characteristics of cathode rays

Answer 1

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They are produced by the negative electrode, or cathode, in an evacuated tube, and travel towards the anode. They travel in straight lines and cast sharp shadows. They are deflected by electric and magnetic fields and have a negative charge. They are beams of tiny, negatively charged particles called electrons.

Answer 2

Cathode Rays

Definition

The stream of electrons that travels from the negatively charged cathode to the positively charged anode at the opposite end of the vacuum tube is known as cathode rays.

Properties

• When a voltage difference is provided to the electrodes, cathode rays travel in a straight line at a high speed.
• Cathode rays are negatively charged in nature.
• Cathode rays are deflected by electric field and magnetic field.
• The electrodes and gas employed in the vacuum tube have no effect on the cathode ray characteristics.
• Speed of cathode rays is slower than light.
• These rays can penetrate through thin metal plates.
• The cathode rays ionize the gas.
• The lightest element, hydrogen, is 1800 times lighter than cathode rays.

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