12. What is one use for high energy gamma rays mentioned in the text? (page 12)

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13. How did Sir Issac Newton use a prism to discover the colors of the visible light spectrum? (pages 13 - 15)
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I'm sorry, but I don't have access to the specific text or pages you're referring to. However, I can offer a general answer based on typical knowledge regarding high energy gamma rays and Newton's experiments with prisms.

  1. One use for high energy gamma rays is in medical treatments, particularly in cancer therapy, where they are used to target and destroy cancerous cells.

  2. Sir Isaac Newton discovered the colors of the visible light spectrum by passing sunlight through a prism. He observed that the light was refracted (bent) as it entered and exited the prism, separating it into a spectrum of colors, which included red, orange, yellow, green, blue, and violet. This experiment demonstrated that white light is composed of multiple colors.

If you can provide specific details or excerpts from the text, I'd be happy to help further!