State the position of object for which the image formed by a concave mirror is of same size.

Explanation

To determine the position of the object for which the image formed by a concave mirror is of the same size, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Properties of Concave Mirrors**:
- Concave mirrors can form real and virtual images depending on the position of the object relative to the mirror.

2. **Identify Key Positions**:
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