H2P-428
Deflection of charged beams
H2 Physics · JC 2 · Medium · Deflection of charged beams
A proton moves in a circular path of radius
0.30m in a uniform magnetic field of flux density
0.10T. What is the speed of the proton?
Use
r=mv/(Bq). Take
m=1.67×10−27kg and
q=1.6×10−19C.
- 2.9×106m s−1
- 4.8×105m s−1
- 1.7×107m s−1
- 3.0×105m s−1
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