Nuclear Physics 4

Which formula shows the conservation of mass energy?

• F=ma
• E=mc²
• PV=nRT
• a²+b²=c²

What is conserved in an inelastic collision?

• Kinetic energy is conserved.
• Total energy is conserved.
• Momentum is conserved.
• Angular momentum is conserved.

Which conservation law constrains the types of rotational motions which can occur in an isolated system?

• Conservation of energy
• Conservation of mass
• Conservation of momentum
• Conservation of angular momentum

Which conservation law states that the number of electrons, muons, taus and their neutrinos must be conserved?

• Charge conservation
• Lepton number conservation
• Energy conservation
• Baryon number conservation

What cannot be created or destroyed in a reaction?

• Energy

• Mass

• Charge

• Baryons

Which is the most stable element based on its binding energy?

• Iron (Fe)
• Gold (Au)
• Lead (Pb)
• Carbon (C)

The separation energy is the energy required to remove how many nucleons from the nucleus?

• One nucleon
• All of them

• Three nucleons
• Two nucleons

What is Q value a measure of?

• The temperature of a chemical reaction.
• The mass of a radioactive isotope.
• The energy released in a nuclear reaction.
• The pressure exerted by a gas.

A reaction with a positive Q value is...

(a)  

What is the energy of an alpha particle?

• 20 to 25 MeV
• 10 to 15 MeV
• 4 to 8 MeV
• 1 to 2 MeV