Calculate the pressure inside a small air bubble of radius 0.2 mm located just below the surface of water. Take,
Surface tension of water `=7.2 xx 10^(-2) N//m`
Atmospheric pressure `=1.01 xx 10^(5) N//m^(2)`

Explanation

To calculate the pressure inside a small air bubble located just below the surface of water, we can follow these steps:

### Step-by-Step Solution:

1. **Identify Given Values**:
- Radius of the air bubble, \( r = 0.2 \, \text{mm} = 0.2 \times 10^{-3} \, \text{m} \)
- Surface tension of water, \( T = 7.2 \times 10^{-2} \, \text{N/m} \)
- Atmospheric pressure, \( P_0 = 1.01 \times 10^{5} \, \text{N/m}^2 \)
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