# Which statement best describes the refraction of light as it moves from air to glass? (1 point) Light undergoes diffraction due to the difference in the speed of light in air and glass. bends due to the difference in the speed of light in air and glass. the light bends, its speed remains the same as before. Although the light changes speed, it continues in the same direction as before . Please help

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## To determine which statement best describes the refraction of light as it moves from air to glass, we need to understand the concept of refraction. Refraction is the bending of light as it passes from one medium to another, due to the change in the speed of light.

In the case of light moving from air to glass, the correct statement would be: "The light bends, but its speed remains the same as before."

To illustrate how to arrive at this answer, consider the following steps:

1. Understand the concept: Refraction occurs when light travels from one medium (such as air) to another medium (such as glass) with a different refractive index. The refractive index is a measure of how much the medium can slow down the speed of light.

2. Speed of light in air: The speed of light in air is approximately 3 x 10^8 meters per second (m/s).

3. Speed of light in glass: The speed of light in glass is generally slower than in air. It can vary depending on the type of glass, but for simplicity, let's assume it's around 2 x 10^8 m/s.

4. Difference in speed: Since the speed of light in glass is slower than in air, there is a difference in the speed of light when it enters the glass.

5. Bending of light: When light encounters a change in speed as it passes from one medium to another, it bends. This bending is known as refraction. The light changes direction but maintains a constant frequency and wavelength.

6. Unchanged speed in glass: Once the light has bent, it continues traveling in the glass with the same speed it had when it entered. Only the direction changes.

Based on this explanation, we can conclude that the correct statement is: "The light bends, but its speed remains the same as before."