What do conduction and convection use that radiation does not

Asked by admin @ 08/11/2021 in Geography viewed by 301 People

How do conduction and convection differ?

Group of answer choices
Conduction can move through empty space to transfer heat; convection cannot.
Conduction does not require objects to have direct physical contact; convection does.
Conduction requires objects to have direct physical contact; convection does not.
Conduction transmits heat through electromagnetic waves; convection does not.

Answered by admin @ 08/11/2021

Answer:

Conduction requires objects to have direct physical contact; convection does not.

Explanation:

Conduction, convection and radiation are modes and forms of heat transfer. These processes moves heat from one place to another.

Conduction involves the movement of heat through bodies in contacts.
As the molecules vibrates against one another, their thermal energy increases and heat is moved.
Convection transfers heat in fluids i.e. liquids and gases. It utilizes temperature and density differences.
Radiation does not involve the use of particles or a medium to propagate.

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