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
9.
10. Cloud chamber tracks ïĄ ï ï short straight clear tracksâŠwhy? ï ïąï ïš high energy ) ï ï thin straight tracksâŠwhy? ï ïąï ï ïš low energy ) ï ï short thick , tortuous tracksâŠwhy? ï ï§ ï ï Rays ï ï ï why?