Question

Ionized hydrogen atoms and a-particles with same momenta enters perpendicular to a constant magnetic field, B. The ratio of their radii of their paths $r_H: r_\alpha$ will be:

• A. 2:1
• B. 1:2
• C. 4:1
• D. 1:4

Answer 1

Answer: (A)

2:1

Answer 2

The correct option is (A) :$2:1$