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Posted: **Fri Jun 10, 2022 11:26 am**

: Question 7 6 Marks Alpha Particles Mass 6 7 10 27 Kg Q 2e Are Accelerated From Rest Through A Potential Diff 1 (30.78 KiB) Viewed 305 times

Question 7 (6 marks) Alpha particles (mass = 6.7 × 10-27 kg, q = +2e) are accelerated from rest through a potential difference of 3.0 kV. They then enter a uniform magnetic field B = 0.40 T perpendicular to their direction of motion. Calculate the radius of their path. (6 marks)