Why does chlorophyll appear red in reflected light and green in transmitted light? Explain the significance of these phenomena in terms of photosynthesis.

Explanation

### Step-by-Step Solution:

1. **Understanding Chlorophyll's Color Properties**:
- Chlorophyll is the pigment responsible for photosynthesis in plants. It primarily absorbs light in the blue and red wavelengths but reflects green light.

2. **Chlorophyll in Reflected Light**:
- In reflected light, chlorophyll appears red. This phenomenon occurs due to **fluorescence**. When chlorophyll absorbs light energy, it becomes excited and then loses some of that energy. This energy is released as red light, which is why chlorophyll appears red when viewed in reflected light.

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