Which of these colours appears in a pure spectrum of visible light?*1 pointA) BlackB) BrownC) WhiteD) Yellow

In a pure spectrum of visible light, the colors that appear are typically those found in a rainbow when light is dispersed through a prism. The visible spectrum includes red, orange, yellow, green, blue, indigo, and violet.

Now, let’s analyze the options given:

1. A) Black: Black is not a color in the visible spectrum; it is the absence of light.
2. B) Brown: Brown is not a spectral color; it is a composite color formed by combining colors.
3. C) White: White is also not a spectral color; it is a combination of all wavelengths of visible light.
4. D) Yellow: Yellow is a spectral color that appears in the visible spectrum.

Conclusion

The color that appears in a pure spectrum of visible light among the given options is D) Yellow.