A domain in ferromagnetic iron is in the form of a cube of side length 1µm. Estimate the number of iron atoms in the domain and the maximum possible dipole moment and magnetisation of the domain. The molecular mass of iron is 55 g/mole and its density is `7.9g//cm^(3)`. Assume that each iron atom has a dipoe moment of `9.27xx10^(-24)A m^(2)`.

A domain in ferromagnetic iron is in the form of a cube of side length 10^-4m . Estimate the number of iron atoms in the domain and the maximum possible dipole moment and magnetisation of the domain. The molecular mass of iron is 55g//"mole" , and its density is 7*9g//cm^3 . Assume that each iron atom has a dipole moment of 9*27xx10^(-24)Am^2 .

A domain in ferromagnetic iron is in the form of a ube of side length 2mum then the number of iron atoms in the domain are ("Molecular mass of iron"= 55gmol^(-1) and "density"=7.92 g cm^(-3))

A domain in ferromagnetic iron in the form of cube shaving 5 xx 10^(10) atoms. If the side length of this domain is 1.5mu and each atom has a dipole moment of 8 xx 10^(-24)Am^(2) , then magnetisation of domain is

Every iron atom in a ferromagnetic domain has a magnetic dipole moment equal to 9.27 xx 10^(-24) A m^(2) . A ferromagetic domain in iron has the shape of a cube of side 1mum . The maximum dipole moment occurs when all the dipoles are alligned. The molar mass of uiron is 55 g and its specific gravity is 7.9 .The magnetisation of the domain is .

In question number 91, maximum value of magnetisation of the given domain is (Dipole moment of an iron atom 9.27 xx 10^(-24)A m^(2))

A block of iron has dimensions 2 m x 0.5 m x 0.25 m. The density of iron is 7.8 g cm^(-3) . Find the mass of block.

An element crystallizes into a structure which may be describes by a cubic type of unit cell having one atom on each corner of the cube and two atoms on one of its diagonals. If the volume of this unit cell is 24xx10^(-24)cm^(3) and density of element is 7.2g cm^(-3) . Calculate the number of atoms present in 200g of element.

An element crystallizes into a structure which may be describes by a cubic type of unit cell having one atom on each corner of the cube and two atoms on one of its diagonals. If the volume of this unit cell is 24xx10^(-24)cm^(3) and density of element is 7.2g cm^(-3) . Calculate the number of atoms present in 200g of element.

A paramagnetic substance in the form of a cube with sides 1 cm has a magetic dipole moment of 20 xx 10 ^(-6)J//T was when a magnetic intensity of 60xx 10^(3) A//m is applied .Its magnetic susceptibility is :

An iron casting containing a number of cavities weight 6000N in air and 4000N in water. What is the volume of the cavities in the casting? Density of iron is 7.87g//cm^(3) . Take g = 9.8 m//s^(2) and density of water = 10^(3) kg//m^(3) .