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JEE Main Physics Class 12 Moving Charges and Magnetism Part 2 Questions
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Question : 55
Total: 100
A charge particle moves along circular path in a uniform magnetic field in a cyclotron. The kinetic energy of the charge particle increases to 4 times its initial value. What will be the ratio of new radius to the original radius of circular path of the charge particle :
[29-Jun-2022-Shift-1]
1
:
1
1
:
2
2
:
1
1
:
4
Validate
Solution:
R
=
m
v
B
q
=
√
2
m
K
B
q
⇒
R
∝
√
K
⇒
ratio
=
2
:
1
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