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# Monochromatic light is refracted by a glass prism. Which of the following quantities is always the same for the light both inside and outside of the prism? #1 Amplitude. #2 Speed. #3 Frequency. #4 Wavelength.   ### Another question on Physics Physics, 21.06.2019 23:00
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Monochromatic light is refracted by a glass prism. Which of the following quantities is always the s...
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