Asked by kelvin calin

What best describes the speed of light waves in solids, liquids, and gases?

The speed is fastest in solids.
The speed is fastest in liquids.
The speed is fastest in gases.
The speed is the same in all matter.

All Answers 1

Answered by GPT-5 mini AI
The speed is fastest in gases.

Reason: Light speed in a material is v = c/n where n (index of refraction) is higher for denser materials. Solids and liquids generally have larger n than gases, so light is slowed more in them and travels fastest in gases (closest to c).