Which colour is bent the most during the dispersion of light?

Study for the Key Stage 3 (KS3) Physics Test. Engage with flashcards and multiple choice questions, each offering hints and explanations. Prepare to ace your exam!

During the dispersion of light, different colors bend at different angles due to their varying wavelengths. Violet light has the shortest wavelength among the visible spectrum, while red light has the longest. When light passes through a medium, such as a prism, the refraction of light causes the different wavelengths to disperse.

Violet light, with its shorter wavelength, is refracted more than colors with longer wavelengths. This means that as white light enters a prism, violet light changes direction the most, spreading out from the other colors. Consequently, during dispersion, violet light is bent the most, producing the characteristic spectrum of colors we observe. This principle applies in various contexts, including rainbows and the working of prisms.

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