Given reasons for the following in one or two sentences: silver bromide is used in photography?

Explanation

**Step-by-Step Solution:**

1. **Understanding Silver Bromide (AgBr):** Silver bromide is a chemical compound that is sensitive to light. It is a key component in photographic materials.

2. **Decomposition Reaction:** When silver bromide is exposed to sunlight, it undergoes a decomposition reaction. This reaction can be represented as:
\[ 2 \text{AgBr} \xrightarrow{\text{light}} 2 \text{Ag} + \text{Br}_2 \]
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