Question

can move
3 Cathade rays can
the blades
of the paddle when placed in its path.Give reason​

Answer 1

Answer:

No

Cathode rays are streams of electrons observed in vacuum tubes.

When an opaque object like a metal cross is placed in the path of cathode rays in a discharge tube, a shadow of the metal cross is formed at the end opposite to the cathode. The placement of the shadow proved that these rays follow a straight line.

On placing a light paddle in the path of cathode rays in a discharge tube, the blades of the paddle wheel rotate. This shows that cathode rays are a beam of particles having mass and possessing kinetic energy.

When an electric field is applied in the path of cathode rays, they are deflected towards the positive plate of the electric field, which shows cathode rays are made up of negatively charged particles.

Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is not observed in cathode rays.

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Answer 2

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