| An
alpha particle has 2 protons and 2 neutrons.
1.6 x 10 -19
C
+2 x ---------------------- = 3.2 x 10 -19 C
+1
F = qvB
F
7.5 x 10 -15 N
B = ------- = ----------------------------------------- = 0.521 T
qv
3.2 x 10 -19 C x 4.5 x 10 4 m/s
The Correct Answer is A |
