8. Paths of a Bubble Chamber Magnetic Field into page Positive particle low speed, low mass Positive particles, higher speed/ mass Negative Particle, high speed/ mass 1 3 2 Maths window (Remember) F = Bqv F = mv 2 /r Therefore r = mv/Bq
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10. Cloud chamber tracks short straight clear tracks…why? high energy ) thin straight tracks…why? low energy ) short thick , tortuous tracks…why? Rays why?