The statement which best describes what happens to light is that its speed decreases, its wavelength becomes shorter and its frequency remains the same.
Light refers to a form of electromagnetic waves that doesn't require any medium for its propagation.
According to the model of light wave, light experiences refraction when it passes through water into a piece of glass and this causes its speed to decrease, its wavelength to become shorter but its frequency would remain the same.
Read more on waves here: https://brainly.com/question/25699025
