Question

What is the energy equivalent (in MeV) of the mass of an electron?

Express your answer using three significant figures.

What is the energy equivalent (in MeV) of the mass of a proton?

Express your answer using four significant figures.

What is the energy equivalent (in MeV) of the mass of a hydrogen atom 1H?

Express your answer using four significant figures.

What is the energy equivalent (in MeV) of the mass of a helium atom 4He?

Express your answer using three significant figures.

Answer 1

Answers :

What is the energy equivalent (in MeV) of the mass of an electron?

Answer : 0.511 MeV

What is the energy equivalent (in MeV) of the mass of a proton?

Answer : 938.28 MeV

What is the energy equivalent (in MeV) of the mass of a hydrogen atom ¹H?

Answer : 938.7657 MeV

What is the energy equivalent (in MeV) of the mass of a helium atom ⁴He?

Answer : 3728.4219 MeV