(a) What is a.m.u ? Express 1 a.m.u. in MeV.
(b) Write the approximate mass of a proton, neutron and electron in a.m.u.

One a.m.u. is equal to

One a.m.u. stands for

A nucleus ._(Z)^(A)X has mass represented by m(A, Z) . If m_(p) and m_(n) denote the mass of proton and neutron respectively and BE the blinding energy (in MeV), then

The distance between the hydrogen atom and the fluorine atom in a hydrogen fluoride (HF) is 0.92 Armstrong. the mass of hydrogen atom is 1 a.m.u and mass of fluorine atom is 19 a.m.u the position of the centre of mass of the hydrogen fluoride molecule is

The atomic mass of .^(16)O is 15.995 amu while the individual masses of proton and neutron are 1.0073 amu and 1.0087 amu respectively. The mass of electron is 0.000548 amu. Calculate the binding energy of the oxygen nucleus.

Calculate the average energy required to extract a nucleon from the nucleus of an alpha - particle. the mass of 'alpha' -particle , proton and neutron are 4.00150 a.m.u 1.00728 a.m.u and 1.00867 amu respectively .

The distance between the carbon atom and the oxygen atom in a carbon monoxide molecule is 1.1 Å . Given, mass of carbon atom is 12 a.m.u. and mass of oxygen atom is 16 a.m.u., calculate the position of the centre of mass of the carbon monoxide molecule

1 u (amu) is equal to

At what temperature is the root-mean-square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at -20^(@)C ? The atomic masses of argon and helium are 39.9 a.m.u. and 4.0 a.m.u, respectively.

The masses of neutron and proton are 1.0087 a.m.u. and 1.0073 a.m.u. respectively. If the neutrons and protons combine to form a helium nucleus (alpha particle) of mass 4.0015 a.m.u. The binding energy of the helium nucleus will be (1 a.m.u. = 931 MeV) .