What type of defect can arise when a solid is heated?
Which physical property is affected by it and in what way?

Explanation

To solve the question regarding the type of defect that can arise when a solid is heated and the physical property affected by it, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Effect of Heating on Solids**:
- When a crystalline solid is heated, the temperature increase leads to an increase in the kinetic energy of the particles within the solid.

2. **Increase in Kinetic Energy**:
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