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`.

Explanation

To solve the problem step by step, we will calculate the number of iron atoms in the domain, the maximum possible dipole moment, and the magnetization of the domain.

### Step 1: Calculate the Volume of the Cube
The volume \( V \) of a cube is given by the formula:
\[ V = L^3 \]
where \( L \) is the side length of the cube.
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