Question : Which of the following is the method of heat transfer?
Option 1: Convection
Option 2: Evaporation
Option 3: Revolution
Option 4: Thermal Expansion
Correct Answer: Convection
Solution : The correct option is Convection.
Convection is transferring heat in a fluid (liquid or gas) in which hotter and less dense material rises and colder and denser material sinks, resulting in a circular flow pattern. This phenomenon arises as temperature and density change within the fluid, resulting in the transfer of thermal energy via fluid movement.
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