Darker colour indicate better absorption of light.
Shiny surface is due to it reflect off the light.
When the object to totally dark it is because it absorb all the light and transform to heat.
You might want to proof it by placing black object and shiny object in the sun, wait few hour and see which object is hotter.
It is about pigments. they are absorbers of light.
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Materials that are good absorbers of light include black surfaces, such as black paper or fabric, as well as materials with dark or matte finishes. Pigments like carbon black or graphene can also absorb light effectively. Metals like gold and silver can also absorb light, particularly in the visible range.
Good absorbers of heat radiation are like basically materials which are dark in colour. Because for some reason they tend to absorb more radiation than light coloured materials.
grey is a shade. It is a combination of various light reflections of white a light absorbers of black. Grey in its true form is not a color.
Dark surfaces are the best absorbers of heat because they absorb a wider range of wavelengths of light, converting them into heat energy. Light surfaces, on the other hand, reflect more light and thus absorb less heat.
Black bodies are good absorbers of heat because they absorb a wider range of wavelengths of light, including visible and infrared. Their dark color allows them to absorb more light energy, converting it into heat more efficiently than lighter-colored surfaces that reflect more light. This absorption helps black bodies retain heat and warm up quickly in response to radiation.
Poor absorbers of heat radiation include materials that are light in color, shiny, or reflective, such as aluminum foil or white paint. These materials do not easily absorb heat energy from radiation and may instead reflect it away.
absorbed completely, as black bodies are ideal absorbers of electromagnetic radiation. This absorption results in the conversion of light energy into thermal (heat) energy.
Darker colour indicate better absorption of light. Shiny surface is due to it reflect off the light. When the object to totally dark it is because it absorb all the light and transform to heat. You might want to proof it by placing black object and shiny object in the sun, wait few hour and see which object is hotter.
Dark, rough surfaces are typically better absorbers of heat compared to light, smooth surfaces. This is because dark surfaces absorb more light and convert it into heat, while rough surfaces have a greater surface area for heat absorption.
Energy can be transferred to absorbers through radiation, where energy is emitted in the form of electromagnetic waves, such as light. Energy can also be transferred through conduction, where heat is directly transferred through physical contact between objects of different temperatures.