A bubble chamber is used to detect high speed particles in cosmic rays. The bubb
ID: 2038202 • Letter: A
Question
A bubble chamber is used to detect high speed particles in cosmic rays. The bubble chamber is placed in a uniform magnetic field of strength 5.00 T. A particle with charge q=1.602 x 10^-19 C was observed entering the bubble chamber with speed 2.70 x 10^8 m/s. in this bubble chamber it traveled in a circular path with radius 1.29 m. Determine the mass of the speeding particle. A bubble chamber is used to detect high speed particles in cosmic rays. The bubble chamber is placed in a uniform magnetic field of strength 5.00 T. A particle with charge q=1.602 x 10^-19 C was observed entering the bubble chamber with speed 2.70 x 10^8 m/s. in this bubble chamber it traveled in a circular path with radius 1.29 m. Determine the mass of the speeding particle. A bubble chamber is used to detect high speed particles in cosmic rays. The bubble chamber is placed in a uniform magnetic field of strength 5.00 T. A particle with charge q=1.602 x 10^-19 C was observed entering the bubble chamber with speed 2.70 x 10^8 m/s. in this bubble chamber it traveled in a circular path with radius 1.29 m. Determine the mass of the speeding particle.Explanation / Answer
Radius of gyration of a charged particle in magnetic field is given by:
R = mv/qB
Hence, mass of charged particle is given by:
m = qRB/v = (1.6 x 19-19 x 1.29 x 5.0)/(2.70 x 108)
m = 3.822 x 19-27 kg
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