Which event provides evidence that matter can bend light waves?
A. Light waves travel at a speed of about 300,000,000 m/s in empty space.
B. Green plant leaves absorb the red light waves found in sunlight.
C. A clear glass window allows people to see what is happening on the other side.
D. A rainbow results when visible light waves pass through water droplets in the air.

d

Explanation:

In this short-wavelength limit, wave propagation gives way to ray propagation (which is a special, approximate case of the former), and specifically to Fermat's principle for the mathematical description of light. This principle states that light rays starting at

answer: 45

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allowed for the prediction of the properties of missing elements.