Physics · Oct / Nov 2019 · Paper 11 · Question 40

A narrow beam of radiation from a radioactive source travels out of the page through the point X. [diagram: magnet poles N and S on either side of a beam, with points X and Z marked] The poles of a magnet are placed on either side of the beam. Radiation is now detected both at X and at Z. Which types of radiation are present in the beam?

1. Aalpha and beta radiation
2. Balpha and gamma radiation
3. Calpha, beta and gamma radiation
4. Dbeta and gamma radiation

As printed in the paper