United Football Club are playing an evening match. The team's jersey has blue and white stripes. What colour would the stripes appear under floodlights which produce a yellow light?

Options

A. Black and yellow
B. Blue and white
C. Blue and yellow
D. Black and white

Explanation

To determine the color of the stripes on the United Football Club's jersey under yellow floodlights, we need to analyze how colors interact with light.

### Step-by-Step Solution:

1. **Identify the Colors of the Stripes**: The jersey has blue and white stripes.

2. **Understand Color Reflection and Absorption**:
- **Blue Stripes**: Blue color reflects blue light and absorbs other colors.
- **White Stripes**: White color reflects all colors of light.

3. **Consider the Type of Light**: The floodlights produce yellow light.

4. **Analyze the Blue Stripes Under Yellow Light**:
- Since blue absorbs yellow light, the blue stripes will not reflect any light and will appear black.

5. **Analyze the White Stripes Under Yellow Light**:
- The white stripes reflect all colors, including yellow. Therefore, under yellow light, the white stripes will appear yellow.

6. **Conclusion**: Under yellow floodlights, the blue stripes will appear black, and the white stripes will appear yellow. Thus, the overall appearance of the jersey will be a combination of black and yellow.

### Final Answer:
The blue stripes will appear black, and the white stripes will appear yellow under yellow floodlights.

---