On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her. If yes, why? If no, why not?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Scenario**: Shikha is playing hide and seek and hides behind a glass door. The question is whether her brother will be able to find her.

2. **Identifying the Material**: The material in question is a glass door. We need to classify the type of material it is.

3. **Types of Materials**: There are three types of materials based on their transparency:
- **Opaque**: Objects cannot be seen through opaque materials (e.g., wood).
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