Which Number on This Figure Indicates Heating by Conduction

question 101

Multiple Choice

Which number on this figure indicates heating by conduction?

• A) 1, direct contact between the burner and the pan
• B) 2, heating by thermal radiation through the air
• C) 3, heated water expands and rises to the top of the pan and then cools and flows back down
• D) 4, moving a pan of water away from the stove

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Definitions:

Emmetropic

Emmetropic refers to the normal condition of the eye wherein light focuses directly on the retina, resulting in perfect vision without the need for corrective lenses.

Myopia

A vision condition where close objects appear clear but distant objects are blurry, due to the eye's shape causing light rays to focus in front of the retina.

Accommodation

The process by which the eye changes optical power to focus on an object at different distances, primarily by altering the curvature of the lens.

Hyperopic

Pertaining to farsightedness, a condition where distant objects are seen more clearly than close ones due to the light rays focusing behind the retina.