
Figure shows a mixed source of alpha and beta particles in a thick lead walled container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper inwards as shown by (a) Show in the diagram how the particles get affected.
[Hint : Alpha particles will deflect to the left while beta particles to the right]

[Hint : Alpha particles will deflect to the left while beta particles to the right]


Important Questions on Thermionic Emission and Radioactivity
Figure shows a mixed source of alpha and beta particles in a thick lead walled container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper inwards as shown by (a) Show in the diagram how the particles get affected. (b) Name the law used in part (a).
[Hint : Alpha particles will deflect to the left while beta particles to the right]

Figure shows a radioactive source in a thick lead walled container having a narrow opening. The radiations pass through an electric field between the plates and
Complete the diagram to show the paths of and radiations.

Figure shows a radioactive source in a thick lead walled container having a narrow opening. The radiations pass through an electric field between the plates and
Why is the source kept in a thick lead walled container with a narrow opening ?

[Hint : Alpha and beta particles are charged, but gamma rays are uncharged]




