Question

Which causes refraction?

Multiple choice question.

a wave bouncing off an object at an angle equal to the incoming angle


a change in the speed of a wave when it passes from one material to another


obstacles close to the size of the wavelength of light

Answers

GPT-4o mini
The correct answer is:

**a change in the speed of a wave when it passes from one material to another.**

Refraction occurs when a wave, such as light, travels from one medium to another and experiences a change in speed, which leads to a change in direction.