Fission and Fusion Answers

3 verified answers

What is the energy equivalent of an object with a mass of 4.1 kg?

1.2 × 109 J

1.4 × 1035 J

3.5 × 1018 J

3.7 × 1017 J

What is mass defect?

the difference between the mass of the protons and the mass of the neutrons in an atom

the difference between the mass of the nucleus in an atom and the total mass of individual nucleons

the difference between the mass of the nucleus of an atom before and after a nuclear reaction

Why is fusion nuclear energy currently not widely used as a source of electricity?

Fusion reactions have not yet been achieved.

Fusion reactions cannot be controlled.

Fusion reactions require very high temperatures and pressure.

Fusion reaction energy cannot be converted into electricity.

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