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Byju's Answer
Standard XII
Chemistry
Properties of Alpha, Beta and Gamma Rays
The particles...
Question
The particles knocked out from hot surfaces are -
A
protons
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B
electrons
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C
neutrons
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D
None of these
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Solution
The correct option is
B
electrons
In thermionic emission and other types of emission, particles emitted are electrons.
Hence, option
(
B
)
is the correct answer.
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