Which of these is NOT a primary color of light?

Which of these is NOT a primary pigment?

What two colors combine to make magenta?

When a light ray passes from a fast medium to a slower one, the ray bends

When a light ray passes from a slow medium to a faster one:

Which of these types of waves has the highest frequency?

Which of these types of waves has the longest wavelength?

We can see our reflection from mirrors but not from walls because

If a medium has an index of refraction of 1.5, which of the following will occur?

What color of visible light has the highest energy?

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