Calculate the radius of oxygen nucleus .Given that `R_0 = 1.1 xx 10^(-15) m`.

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 .

The radius of oxygen nucleus _8O^16 is 2.8 xx 10^(-15) m . Calculate the radius of the lead nucleus _(82)Pb^(207) .

Calculate the electric potential at the surface of a gold nucleus. Given radius of nucleus = 6.6 xx 10^-15 m and atomic wight of gold is 79.

What is the potential gradient ( in Vm^-1 ) at a distance o 10^-12 m from the centre fo the platinum nucleus? What is the potential gradient at the surface of nucleus? Atomic number of platinum is 78 and the radius of platinum nucleus may be taken as 5 xx 10^-15 m.

An alpha particle having 12.5 MeV kinetic energy collides with copper nucleus (Z=29) and retraces it s path .What is the size of the nucleus? Given, 1/(4 pi e_0) = 9 xx 10^9 N m^2 C^(-2) .

A nucleus of mass number 225 splits into two fresh nuclei having mass numbers in the ratio 3:2 .If the nuclear radius is given by R=1.1 xx 10^(-15) a^(1//3) m ,find the radii of the new nuclei formed.

Calculate the mass of the earth. Given radius of the earth =6.4xx10^-6 m and g = 9.8 m//s^2