SAT, 19.11.2021 17:50 kittybatch345
A glass tube is filled with hydrogen gas. An electric current is passed through the tube, and the tube begins to glow a pinkish/purple color (this is how fluorescent bulbs and neon signs produce light). If you were to pass this pink light through a prism to separate the individual light frequencies, you would see that this pink light is composed of four distinct colors: violet, green, blue, and red. Notice the similarity between image (b) above and image (b) from question.
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A glass tube is filled with hydrogen gas. An electric current is passed through the tube, and the tu...
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