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Byju's Answer
Standard XII
Physics
Kinetic Energy Formulae
What is the k...
Question
What is the kinetic energy of an electron?
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Solution
The kinetic energy of a classical particle is equal to
1
2
m
v
2
.
Where
m
is the mass of the particle and
v
is its speed.
The kinetic energy of an electron in motion will hence depend on its speed.
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What is the kinetic energy of an electron in electron volts with mass equal to double its rest mass?
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The total energy of an electron is
3.555
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What will be the kinetic energy of an electron having de-Broglie wavelength
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What is the kinetic energy of an electron in electronvolts with mass equal to double its rest mass?
Q.
A) What is the momentum of an electron with kinetic energy of
120
e
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?
B) What is the speed of an electron with kinetic energy of
120
e
V
?
C) What is the de Broglie wavelength of an electron with kinetic energy of
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(momentum of each electron
=
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×
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−
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)
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