There are various objects that do not reflect red light equally well, either because they absorb or scatter it to different extents. Here are a few examples:
Black Surfaces: Black objects tend to absorb most wavelengths of light, including red light. Rather than reflecting red light, they absorb it, which is why they appear black. The black surface absorbs a significant portion of the incident red light, converting it into heat energy.
Transparent or Translucent Objects: Some transparent or translucent materials selectively absorb or scatter specific wavelengths of light, including red. For example, red filters or certain types of colored glass can absorb or transmit specific ranges of the color spectrum, affecting the reflection of red light.
Rough or Matte Surfaces: Surfaces that are rough or have a matte texture tend to scatter light in multiple directions instead of reflecting it directly. This scattering can cause a less even reflection of red light, resulting in variations in intensity or directionality.
Metallic Surfaces: Metals often have unique optical properties that can affect the reflection of different colors of light, including red. For instance, certain metals like copper or brass can develop a patina over time, which alters their reflective properties and may affect how they reflect red light.
Colored Pigments: Some colored pigments used in paints, dyes, or materials exhibit selective absorption and reflection properties. For instance, certain pigments may be more effective at absorbing red light while reflecting other colors, resulting in an uneven reflection of red light.
It's important to note that the reflection properties of objects can vary depending on factors such as surface texture, composition, and the incident light's angle and intensity.