A solid of density `rho` has weight W. Show that its apparent weight will be `W[1-(rho_(L)//rho)]` when it is completely immersed in a liquid of densilty `rho_(L)`.

Explanation

To show that the apparent weight of a solid of density \( \rho \) and weight \( W \) when completely immersed in a liquid of density \( \rho_L \) is given by the formula \( W[1 - \frac{\rho_L}{\rho}] \), we can follow these steps:

### Step 1: Understand the Definitions
- **Weight of the solid in air**: The weight \( W \) of the solid is given.
- **Density of the solid**: Let the density of the solid be \( \rho \).
- **Density of the liquid**: Let the density of the liquid be \( \rho_L \).

### Step 2: Calculate the Volume of the Solid
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