When the sun's energy reaches the Earth's atmosphere in the form of radiation, some of it is absorbed by the atmosphere, some is scattered back into space, and the rest reaches the Earth's surface. This energy warms the Earth and plays a crucial role in supporting life through processes like photosynthesis and climate regulation.
Yes, radiation can occur in a vacuum. Radiant energy, such as light or heat, can travel through a vacuum because it does not rely on a medium to propagate. This means that even in the absence of air or any other material, radiation can still be present.
When radiation is absorbed by a material, it transfers energy to the material, which can lead to the excitation or ionization of atoms or molecules. This can result in chemical changes, heating of the material, or damage to cells, depending on the type and dose of radiation.
Radiation is the form of thermal transfer that does not require matter. It occurs through electromagnetic waves, such as light or infrared radiation, traveling through space and transferring heat energy. This process can happen even in a vacuum where there is no physical medium for heat transfer.
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A decrease in thermal energy can occur when heat is transferred from an object to its surroundings, causing a loss in temperature. This could happen through conduction, convection or radiation as the object releases heat energy to its cooler surroundings, resulting in a decrease in thermal energy.
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The radiation that Earth receives from the sun can be absorbed by the atmosphere, reflected back into space, or absorbed by the Earth's surface and converted into heat energy.
Electromagnetic energy that enters the Earth's atmosphere can be reflected back into space or absorbed by the atmosphere and surface. Absorption can lead to heating of the atmosphere and contribute to processes like the greenhouse effect.
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When higher energy ultraviolet radiations act on oxygen at higher levels of the atmosphere, they can break apart oxygen molecules (O2) into two individual oxygen atoms. These oxygen atoms can then combine with other oxygen molecules to form ozone (O3) through a series of reactions. This process is important for the formation of the ozone layer, which helps protect Earth from harmful UV radiation.
They get burned in the Green house gases
Heat energy involves the transfer of energy from a hotter body to a colder one. This can happen via radiation, conduction, or convective circulation.
Yes, radiation can occur in a vacuum. Radiant energy, such as light or heat, can travel through a vacuum because it does not rely on a medium to propagate. This means that even in the absence of air or any other material, radiation can still be present.
These molecules gain sufficient energy to escape into atmosphere.
Ultraviolet is ionising radiation. That means that it will ionise (turn into ions) some substances due to being a high energy form of electromagnetic radiation. If these 'substances' happen to be in your skin then you can start to see how UV radiation can be bad.
Ultraviolet is ionising radiation. That means that it will ionise (turn into ions) some substances due to being a high energy form of electromagnetic radiation. If these 'substances' happen to be in your skin then you can start to see how UV radiation can be bad.
No, radiation does not require a heated liquid to transfer energy. Radiation can transfer energy through electromagnetic waves, such as ultraviolet light or x-rays, without the need for a medium like a liquid.