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KEAM 2017 Physics and Chemistry Paper

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Question : 21

Total: 120

A proton moves with a speed of 5.0×106 m/s along the x-axis. It enters a region where there is a magnetic field of magnitude 2.0 Tesla directed at an angle of 30° to the x-axis and lying in the xy plane. The magnitude of the magnetic force on the proton is

0.8×10−13 N
1.6×10−13 N
8.0×10−13} N
8.0×10−13 N
16×10−13 N

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