Physics A level

Question 1

Mass Defect

Answer 1

Difference between the sum of the masses of an object’s constituent particles and the object’s mass.

Question 2

Binding Energy

Answer 2

Energy that holds the nucleons together; equal amount of energy is needed to dissociate nucleus into constituent nucleons.

Question 3

eV

Answer 3

1.6 x 10^-19 J

Question 4

u / Da

Answer 4

1.66 x 10^-27 kg = 931 MeV