Lesson: Chapter 5 — Optics

5.3. Refraction of light 5 of 5 Reset answers

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Question 5

Light travels at 225 000 km s^-1 in water and 197 000 km s^-1 in glass. Which is the denser medium?

A Water B It cannot be told C Glass D Both are the same

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Glass. The denser medium is the one in which light travels slower.

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