A solution of Chlorophyll pigments looks red in reflected light because of

Options

A. Diffraction
B. Fluorescence
C. Reflection
D. Refraction

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks why a solution of chlorophyll pigments appears red when viewed in reflected light.

2. **Identifying Chlorophyll**: Chlorophyll is a green pigment found in plants that is crucial for photosynthesis. It primarily absorbs light in the blue and red wavelengths but reflects green light.

3. **Concept of Fluorescence**: Fluorescence is a phenomenon where a substance absorbs light at one wavelength and then re-emits it at a different, usually longer wavelength.

4. **Light Absorption and Emission**: In the case of chlorophyll, when it absorbs light (especially in the blue and red spectrum), it can emit light in the red spectrum due to fluorescence. This means that while chlorophyll appears green due to the light it reflects, it can also emit red light when excited by certain wavelengths of light.

5. **Conclusion**: Therefore, a solution of chlorophyll pigments looks red in reflected light because of fluorescence. The chlorophyll absorbs certain wavelengths of light and emits red photons, making it appear red.

**Final Answer**: A solution of chlorophyll pigments looks red in reflected light because of fluorescence.

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