Why does light waves travel at different speeds when the density of medium changes? Can you slow down light?
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1Does this answer your question? Why does the light travel slower in denser medium? – Allure Feb 09 '23 at 09:16
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no it does not, that post seem's very complicated and there is many negative comand for the answer in that post , not sure if it's answer is right. – james.yi Feb 09 '23 at 09:25
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1Does this answer your question? What really causes light/photons to appear slower in media? – John Rennie Feb 09 '23 at 10:04