1 amu = ______ kg.

1 quintal = ______ kg.

Fill in the blanks: 1 kg f = ___ N.

Fill in the blanks in the following conversions 1mg =____kg= ____ ng

Convert 1 amu of kg.

Calculate the density of hydroen nucleus in SI units .Given , R_0 = 1.1 xx 10^(-15) m and 1 a.m.u = 1.66 xx 10^(-27) kg .

Find mass defect, binding energy and binding energy per nucleon for "_26Fe^56 nucleus. Mass of "_26Fe^56 nucleus = 55.934939 , Mass of neutron =1.008665 amu ,Mass of proton =1.007825 amu and 1 amu = 931 MeV

Express one Joule in eV.Taking 1 a.m.u. = 931 MeV,calculate the mass of C-12 atom.

What is the number of moles of O-atoms in 126 amu of HNO_3 ?

Size of nucleus was obtained by the equation r=R_(0)A^(1//3) , Where r is the radius of nucleus of mass no A. and R_(0) is a constant whose valie is equal to 1.5xx10^(-15) metre. (Given : 1 amu = 1.66xx10^(-24)g ) What is the density of a nucleus of mass number A ? a) (4)/(3)pi(1.5xx10^(-15))^(3) A b) 1.17xx10^(17)kg//cm^(3) c) 1.17xx10^(17)kg//m^(3) d) none of these