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

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

(a) linear velocity of cathode rays 

(b) kinetic energy of cathode rays 

(c) angular velocity of cathode rays 

(d) potential energy of cathode rays

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1 Answer

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Best answer

The correct option is (b) kinetic energy of cathode rays.

Explanation:

When cathode rays strike a metal plate, their kinetic energy is transformed into heat energy, which increases the temperature of the plate.

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