Question
Physics Question on Magnetism and matter
A proton and an alpha-particle moving with the same velocity enter a uniform magnetic field with their velocities perpendicular to the magnetic field. The ratio of radii of their circular paths is
A
1 : 4
B
4 : 1
C
1 : 2
D
2 : 1
Answer
1 : 2
Explanation
Solution
The correct answer is (C) : 1 : 2.