Question

the order of magnitude of the binding energy per nucleon In A nucleus​

Answer 1

binding energy is the minimum amount of energy required to break the nucleus of an atoms to its constituent parts. from experiment, it is observed that binding energy per nucleon never greater than 8.8 MeV and average binding energy per nucleon is 8MeV.

in SI system, binding energy per nucleons = 8 × 10^6 × 1.6 × 10^-19 J

= 1.28 × 10^-12 J

now Let's understand what is order of magnitude.

when we write any numerical value in the form of a × 10ⁿ , then n is known as order of magnitude.

in above numerical value 1.28 × 10^-12 ,

order of magnitude is -12.

hence, answer is -12.

Answer 2

the order of magnitude of binding energy per nucleon in 10Mev