Question

fill in the blank question
white light separates into all the colors of the visible spectrum when it is passed through a

Explanation:

When white light passes through a prism, it undergoes dispersion. A prism is a transparent optical element with flat, polished surfaces that refract light. Different colors (wavelengths) of light are refracted by different amounts as they pass through the prism. This causes the white light (which is a combination of all visible wavelengths) to separate into the spectrum of colors (red, orange, yellow, green, blue, indigo, violet).

Answer:

prism