Identify whether the following statement is true or false. Light travels at the same speed through all materials.TrueFalseI'm not sure

Answer

The statement "Light travels at the same speed through all materials" is False.

Explanation

Light travels at different speeds depending on the medium it passes through. In a vacuum, light travels at approximately $c = 3 \times 10^8$ meters per second. However, when light passes through materials such as air, water, or glass, it slows down due to interactions with the atoms in the material. The speed of light in a medium can be calculated using the formula:

$v = \frac{c}{n}$

where:

• $v$ is the speed of light in the medium,
• $c$ is the speed of light in a vacuum,
• $n$ is the refractive index of the material.

Thus, because different materials have different refractive indices, light does not travel at the same speed through all materials.