1. In a dress shop with only fluorescent lighting, a customer insists on taking dresses into the daylight at the doorway to check their color. Is she being reasonable? Explain. 2. The radiation curve...

1. In a dress shop with only fluorescent lighting, a customer insists on taking dresses into the daylight at the doorway to check their color. Is she being reasonable? Explain.

2. The radiation curve of the Sun (Figure 11.33) shows yellow-green as the brightest light from the Sun. Why, then, do we see the Sun as whitish instead of yellow green? (Hint: Take into account the wideness of the solar radiation curve.) 3. How could you use the spotlights at a play to suddenly change the yellow clothes of the performers to black?