Answered

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Choose the situation that is an example of heat transfer by radiation. An ice cube melts while you hold it in your hand.







B.
Hot soup rises to the top of the bowl while cooler soup sinks to the bottom.







C.
Coastal temperatures are cooler than temperatures in inland areas.







D.

The sun's energy is transferred through the vacuum of space to the earth

Sagot :

AL2006

A).  Ice melts in your hand.
No.  Conduction. Heat conducts directly from your hand to the ice.

B).  Hot & cool liquids move up and down in the bowl.
No.  That's convection.

C).  Coastal temperatures are cooler.
No.  This is conduction of heat from the warm air to the cool ocean.

D).  Heat and light from the sun to the Earth through space.
Yay !  That's radiation.

Answer: Option (D) is the correct answer.

Explanation:

When energy is emitted in the form of rays or waves then this type of energy is known as radiation.

For example, the sun's energy is transferred through the vacuum of space to the earth is an example of heat transfer by radiation.  

Whereas an ice cube melts while you hold it in your hand, hot soup rises to the top of the bowl while cooler soup sinks to the bottom, and coastal temperatures are cooler than temperatures in inland areas are not example of heat transfer by radiation.

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