An alpha particle is accelerated through …
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Preeti Dabral 2 years, 6 months ago
r=√(2mqV) / qB
as given alpha particle q=2e=2×1.6×10^-19
V=10^4V
m=6.4×10^-27kg
B=2×10^-3T
r=√(2 × 6.4×10^-27 × 2× 1.6×10^-19 × 10^4) /1.6×10^-19 × 2×10^-3
=√(4096×10^-44) / 64 × 10^-23
=(64 × 10^-22) / (64 × 10^-23)
=10
therefore radius is 10m
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