Glass, clear plastics, perspex, most gases
An opaque object does not reflect light. Opaque objects absorb light.
Opaque
A reflector is a, usually large, sheet of reflective material to reflect light into shadows of an object. Materials such as metals reflect light, whilst materials such as wood and paper do not.
Five materials that do not reflect light are known as non-reflective materials. These include Vantablack, a substance made of carbon nanotubes that absorbs up to 99.965% of visible light, making it one of the darkest materials known. Other examples include black velvet, carbon nanotube forests, black acrylic paint, and black holes, which absorb light due to their intense gravitational pull. These materials are used in various applications such as scientific research, stealth technology, and artistic expression.
Everything that you can see reflects light to some degree (that is how you see it). Just because you can't see something though doesn't mean it doesn't reflect light. It may be the object is too small or reflects too little light for you to see it, or that it reflects light not visible to the human eye (like infra-red or ultra-violet)
All materials will reflect, absorb and transmit (allow to pass through) electromagnetic radiation. This is called the Transmit/Reflect (T/R) ratio and it will vary for a material based on the wavelength of the incident radiation. IR radiation does not transmit through most materials. It is absorbed/reflected. Metalized Mylar has a small transmit/reflect ratio.
Materials that have a high reflectivity or are opaque can absorb, reflect, or transmit light rays. The absorption process converts light energy into heat energy. Materials with a high absorption capacity can efficiently soak up light rays, while materials with a low absorption capacity may reflect or transmit light instead.
Light can have different effects on materials depending on their properties. Some materials may absorb light and heat up, while others may reflect or transmit light. The change caused by light can vary among different materials, as each material reacts differently to light exposure.
No, not all materials reflect light. Some materials absorb light, while others transmit light through them or allow light to pass freely. The ability of a material to reflect light depends on its optical properties, such as its surface texture and composition.
Different materials transmit light in various ways. Transparent materials, such as glass and water, allow light to pass through easily because their molecules are arranged in a way that allows light to travel through without much interference. Other materials, like opaque objects, absorb or reflect light, preventing it from passing through. Materials like air and clear plastics also allow light to pass through easily due to their molecular structure.
The color of objects is determined by their ability to reflect, absorb, scatter or transmit light and also by the anatomy& physiology of the eye and brain.
Objects get their color from the way they absorb and reflect light. Different materials absorb and reflect different wavelengths of light, which our eyes perceive as color.
Polarized light can affect the behavior of certain materials by causing them to absorb, reflect, or transmit light in specific directions. This can lead to changes in the material's optical properties, such as color or transparency.
Objects that reflect light are said to be "reflective", objects that scatter light are said to be "diffusive", and objects that transmit light are said to be "transparent" or "translucent".
Opaque objects do not transmit light, meaning light cannot pass through them. Instead, they reflect, absorb, or scatter light that strikes them, depending on their properties.
Sound travels through matter by causing particles in the medium to vibrate. The density and elasticity of the material affect how sound waves travel through it. Different materials can absorb, reflect, or transmit sound waves in varying ways, which ultimately impacts how we perceive sound.
Opaque materials, such as wood, metal, and thick plastics, are ones that you can't see through because they don't allow light to pass through. These materials absorb or reflect light rather than allowing it to transmit through them.