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Physics
A metal plate gets heated, when cathode rays strike against it, due to
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Q. A metal plate gets heated, when cathode rays strike against it, due to
AIIMS
AIIMS 1994
Dual Nature of Radiation and Matter
A
linear velocity of cathode rays
0%
B
kinetic energy of cathode rays
80%
C
angular velocity of cathode rays
20%
D
potential energy of cathode rays
0%
Solution:
When cathode rays strike a metal plate, their kinetic energy is transformed into heat energy, which increases the temperature of the plate.