Question

Morris is baking a pan of brownies to take to school. Which of the following best describes what types of thermal energy transfer are responsible for transferring heat from the oven to the brownies?
A
conduction and nuclear

B
convection and radiation

C
convection and nuclear

D
conduction and radiation

Answer 1

For Morris to bake the brownies, a transfer of thermal energy known as convection and radiation takes place. Option C is the right answer.

What is thermal energy?

The energy present in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a whole field of physics that studies how heat is transmitted across various systems and how work is done in the process.

Heat is transferred through convection, which is the large-scale movement of molecules inside gases and liquids. Conduction is used to move heat from the object to the fluid initially, but fluid motion is responsible for the bulk of the heat transfer.

When heat from the movement of charges in the material is converted to electromagnetic radiation, thermal radiation is produced.

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