Quantum Tunneling and Alpha Decay Quiz

What is a key characteristic of particles that allows quantum tunneling to occur?

• They are always in motion.

• They have wave-like properties.

• They are electrically charged.

• They have a fixed position.

What is the half-life of polonium 212?

• 0.3 microseconds

• 3 milliseconds

• 3 microseconds

• 0.3 seconds

What happens to polonium 212 after it undergoes alpha decay?

• It becomes a stable isotope.

• It turns into lead.

• It emits gamma radiation.

• It remains unchanged.

What is the first step in calculating the tunneling probability of an alpha particle?

• Determine the atomic mass number.

• Calculate the size of the nucleus.

• Measure the temperature of the particle.

• Identify the type of decay.

What information is needed to calculate the velocity of an alpha particle?

• The atomic number of the element.

• The kinetic energy and mass of the particle.

• The charge and spin of the particle.

• The temperature and pressure of the environment.