The inner surface of the reflector of a torch acts as a __________ mirror.

Explanation

To answer the question, "The inner surface of the reflector of a torch acts as a __________ mirror," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Structure of a Torch**:
- A torch typically has a bulb that emits light and a reflector that surrounds the bulb. The reflector is designed to direct the light emitted by the bulb.

2. **Identifying the Shape of the Reflector**:
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