Radioactivity questions | form four Physics

Which one of the following statements about alpha and beta particles is correct?
A They carry the same charge.
B Each alpha particle has four times the mass of the beta particle.
C Alpha particles have a larger range in air than beta particles.
D When in motion, they are deflected in opposite directions by a magnetic field.
E Alpha particles cause ionization while beta particles do not.

Answer / Solution

UNSOLVED

The radiating power of different surfaces may be compared by means of
A Leslie’s experiment B Convection experiment
C Hopes apparatus D Conductivity apparatus
E Bimetallic strip apparatus

Answer / Solution

UNSOLVED

Most of the atoms of heavy nuclei are radioactive because they
A undergo fusion B undergo fission
C are unstable D are stable
E have more protons than neutrons.

Answer / Solution

UNSOLVED

The number of pulses per second in a GeigerMuller tube gives a measure of ____

Answer / Solution

UNSOLVED

A radioactive nucleus decays to give . Mention the type of radiation being emitted.

Answer / Solution

UNSOLVED