Ranbir claims to have obtained an image twice the size of the object with a concave lens. Is he correct? Give a reason for your answer.

Explanation

To determine whether Ranbir's claim of obtaining an image twice the size of the object with a concave lens is correct, we can analyze the properties of concave lenses.

### Step-by-Step Solution:

1. **Understanding Concave Lenses**:
- A concave lens is a diverging lens that causes parallel rays of light to spread out after passing through it.

2. **Image Formation by Concave Lenses**:
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