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

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.

The radius of the circle : x^2 + y^2-8x + 10y- 12 =0 is:

Solubility of Ag_(2)CrO_(4) is 8 xx 10^(-5) mol L^(-1) . Calculate the solubility product.

An alpha particle (_2He^4) is moving directly towards a stationary gold nucleus (_(79)Au^(197)) .The alpha -particle and the gold nucleus may be considered to be solid spheres with the charge and mass concentrated at the centre of each sphere.When the two spheres are just toching,the sepaation of their centres is 9.6 xx 10^(-15) m . the alpha particle and the gold nucleus may be assumed to be an isolatedd system.Calculate for the alpha particle just in contact with the gold nucleus, its electric potential energy.

The radius of gold nucleus (Z=79) is about 7.0 xx 10^-15 m. Assuming that the positive charge is distributed uniformly througout the nuclear volume, find the strength of the electric field at the middle point of the radius.

The radius of gold nucleus (Z=79) is about 7.0 xx 10^-15 m. Assuming that the positive charge is distributed uniformly througout the nuclear volume, find the strength of the electric field at the surface of the nucelus

An electron is circulating around the nucleus of a hydrogen ato in a circular orbit of radius 5.3 cxx10^-11 m. Calculate the electric potential at this radius