Alpha Particles (Charge = +2e,mass = 6

question 7

Multiple Choice

Alpha particles (charge = +2e,mass = 6.68 × 10^-27 kg,e = 1.60 × 10^-19C) 0.87 μs.

• A) 0.44 μs.
• B) 0.67 μs.
• C) are accelerated in a cyclotron to a final orbit radius of 0.90 m. The magnetic field in the cyclotron is 0.30 T. The period of the circular motion of the alpha particles is closest to
• D) 1.1 μs.