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(A) Cathode rays consist of a stream of fast-moving electrons. These electrons possess significant kinetic energy due to their motion. When these rays

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Kinetic energy of cathode rays

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(A) Cathode rays consist of a stream of fast-moving electrons. These electrons possess significant kinetic energy due to their motion. When these rays strike a metal plate,they collide with the atoms of the plate and transfer their kinetic energy to the plate. This transfer of energy causes the atoms of the metal plate to vibrate more vigorously,resulting in an increase in the temperature of the plate.

$A$ metal plate gets heated when cathode rays strike against it due to:

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