which state of matter is least likely to transfer heat by convection?

which state of matter is least likely to transfer heat by convection?

which state of matter is least likely to transfer heat by convection?

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Which state of matter is least likely to transfer heat by convection?

A. solid

B. liquid

C. gas

D. plasma

Answer: A. solid .

Convection is defined as the process in which a fluid (liquid or gas) when heated then more dense (cooler) substance sinks ate the bottom whereas less dense (hotter) substance will rises at the top.

For example, boiling of cold water.

On the other hand, solid substances are able to transfer heat through the process of conduction and not convection.

Conduction is defined as a process in which two objects of different temperature are placed adjacent to each other then there will occur transfer of heat from hotter object to colder object till their temperature becomes equal.

heat convection
heat convection

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What state of matter does conduction and convection take place in?

Heat transfer can take place through three different mechanisms: conduction, convection and radiation. In conduction, heat is transferred through direct contact between bodies. Since direct contact is possible in solids, liquids as well as gases, conduction can take place in all of them. However, solids are more tightly bound than other forms of matter and hence conduction is better in the solid state, as compared to other forms of matter. If we heat one end of a metal stick, the other end will also feel hot after a while, due to conduction.

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Convection is the transfer of heat energy through the movement of fluid particles. Hence, convection cannot take place in solids, since the solid particles are not fluid. Thus, convection only takes place in liquids and gases. The boiling of water in a pan happens because of convective heat transfer between water molecules.

In comparison, radiation does not require any medium for heat transfer. Solar radiation is an example of radiation or radiative heat transfer.

which state of matter is least likely to transfer heat by convection?
which state of matter is least likely to transfer heat by convection?

Why is convection not possible in solid?

Convection not possible in solids because the particles within are too tightly packed to facilitate the process. Convection requires actual movement between the particles within a substance in order to transfer heat which is only possible in a fluid state of matter such as liquid or gas.

Why convection does not occur in a vacuum?

Heat conduction and convection do not occur in space since there is no air in space. Heat transfers in space, which is a vacuum, only by radiation.

Why Cannot heat passed by means of conduction or convection in vaccum?

Vacuum is an empty state, i.e., it does not contain any matter or particles in it. In vacuum, there is no medium for heat to be transferred by conduction or convection, as both these process depend upon the medium (particles), to travel from one end to another end. Thus, heat cannot pass in vacuum.

Why energy Cannot be transferred through space by conduction or convection?

Convection is the transfer of heat through the flow of fluids. The hot atoms will then bump into colder atoms, sharing their heat through conduction, until the bath becomes an even temperature. But because space is a vacuum, there are no liquids or gases to convect heat away from the sun, all the way to Earth.

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When can convection occur?

Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated.

Why is convection not possible in solid matter?

Convection happen due to flow of liquid, in convection, heat is connected by flow, and if there is no flow there no convection, in solids flow of material is not possible, but liquid metals can convection heat by flowing , Time travel backwards isn’t possible even if you go faster than light.

heat convection
heat convection

How does convection occur in a liquid state?

Convection requires actual movement between the particles within a substance in order to transfer heat which is only possible in a fluid state of matter such as liquid or gas. In convection, heat is transferred through the mass motion of a fluid. This movement creates heat currents…

Why is convection a nonessential heat transfer mechanism?

Convection is a nonessential heat transfer mechanism in solids because solids do not transport thermal energy via collective, bulk motions of constituent particles across macroscopic length scales. Convection is a bulk flow of material—the collective, macroscopic motion of uncountably many particles, e.g., a gust of wind or the flow of lava.

How is heat transferred from solids to liquids?

In solids, heat is transferred by conduction, the movement (vibration) of molecules. Heat transfer from solids to liquids and gases takes place through convection, or the movement of fluids at the surface. Radiation heat transfer can occur without a medium.

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