A small piece of iron is tied to a wooden block and the compound block so formed is immersed into a container filled with water, with iron piece above the wooden block. What will happen to the volume of wood submerged inside the water
(a) the block is now inverted with iron piece below the wooden block?
(b) if the whole arrangement is sealed and pressurised above atmospheric pressure.

Explanation

To solve the problem, we will analyze the two scenarios step by step.

### Given:
- A small piece of iron is tied to a wooden block.
- The arrangement is immersed in water with the iron piece above the wooden block.

### Part (a): The block is inverted with the iron piece below the wooden block.

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