1. Absorption:
* The object can absorb the light energy, converting it into heat.
* This is why dark objects get hotter in the sun than light objects.
* Different materials absorb different wavelengths of light. For example, a black object absorbs all wavelengths, while a white object reflects most wavelengths.
2. Reflection:
* The light can bounce off the object, changing its direction.
* This is how we see objects – the reflected light from the object enters our eyes.
* There are two main types of reflection:
* Specular reflection: Light reflects off a smooth surface at a predictable angle, creating a clear image (like a mirror).
* Diffuse reflection: Light reflects off a rough surface in multiple directions, creating a blurry image (like a piece of paper).
3. Transmission:
* Some light can pass through the object.
* This is why we can see through windows, or why sunlight can penetrate water.
* The amount of light that is transmitted depends on the transparency of the object. Transparent objects let most light through (like glass), while translucent objects let some light through but scatter it (like frosted glass).
4. Refraction:
* When light passes from one medium to another (like from air to water), it can change direction.
* This bending of light is called refraction, and it's responsible for phenomena like rainbows and the ability to see underwater objects.
In summary:
When light interacts with an object, it can be absorbed, reflected, transmitted, or refracted. The relative proportions of these processes depend on the properties of both the light and the object.