VITEEE 2015 Paper

Section: Physics

Question : 19 of 120

Marks: +1, -0

An electron of mass 9.0 x 10−31 kg under the action of a magnetic field moves in a circle of radius 2 cm at a speed of 3 x 106 m/s. If a proton of mass 1.8 x 1027 kg was to move in a circle of same radius in the same magnetic field, then its speed will become

1.5 x 103 m/s
3 x 106 m/s
6 x 104 m/s
2 x 106 m/s

Validate

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