How does the liquid pressure on a diver change if :
(i) the diver moves to the greater depth, and
(ii) the diver moves horizontally ?

Answer

To solve the question about how the liquid pressure on a diver changes under different conditions, we can break it down into two parts:

### Step-by-Step Solution:

1. **Understanding Liquid Pressure**:
- Liquid pressure is defined as the force exerted by the weight of the liquid above a certain point in the fluid. The formula for pressure in a fluid is given by:
\[ P = \rho g h \]
where \( P \) is the pressure, \( \rho \) is the density of the liquid, \( g \) is the acceleration due to gravity, and \( h \) is the depth of the liquid.

2. **Case (i): Diver Moves to Greater Depth**:
- As the diver descends deeper into the water, the depth \( h \) increases. According to the formula, as \( h \) increases, the pressure \( P \) also increases.
- Therefore, when the diver moves to a greater depth, the liquid pressure acting on the diver increases.

**Conclusion for Case (i)**: The pressure on the diver increases as they move to greater depths.

3. **Case (ii): Diver Moves Horizontally**:
- When the diver moves horizontally, the depth \( h \) remains constant. Since pressure in a fluid at a given depth is uniform and does not depend on horizontal position, the pressure experienced by the diver does not change.
- Thus, even though the diver is moving, if they are at the same depth, the pressure remains the same.

**Conclusion for Case (ii)**: The pressure on the diver remains unchanged as they move horizontally.

### Final Answers:
- (i) The pressure on the diver increases as they move to greater depths.
- (ii) The pressure on the diver remains unchanged as they move horizontally.