Question

complete the passage with the words that make the most sense. refracts wavelengths compounds reflects through a sheer glass window, sunlight appears much the same on one side as the other; through a prism, however, seemingly \white\ light blossoms into a vibrant, iridescent array. this effect is caused by the eyes ability to perceive different of light as distinct colors. as visible light passes through a flat surface, its path and appearance are largely unchanged. in a prism, however, the white light , and its constituent colors, each traveling at a different speed, splinter along separate courses to create a vivid rainbow spectrum.

Explanation:

The eye perceives different light - wavelengths as colors. Light refracts in a prism to form a spectrum.

Answer:

1. wavelengths
2. refracts