Which of the following is the conduction?
The correct answer is Bodies should be in contact and should have different temperatures. Conduction is the mechanism of transfer of heat between two adjacent parts of a body because of their temperature difference. Conduction is the process of exchange of hotter particles to the neighboring colder particles.
Which of the following is correct definition of convection?
Convection is the circular motion that happens when warmer air or liquid — which has faster moving molecules, making it less dense — rises, while the cooler air or liquid drops down. Convection is a major factor in weather.
Which of the following is an example of conduction quizlet?
Conduction is the direct heat transfer from one substance to another. Example of Conduction: Ice melting in your hand.
Which of the following is the correct definition of radiation?
Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation “electromagnetic waves”.
What is conduction in science?
conduction. ( kənˈdʌkʃən) n. 1. (General Physics) the transfer of energy by a medium without bulk movement of the medium itself: heat conduction; electrical conduction; sound conduction. Compare convection 1. 2. (Physiology) the transmission of an electrical or chemical impulse along a nerve fibre. 3. the act of conveying or conducting, as ...
What is the meaning of conductivity?
n. 1. the act of conducting, as of water through a pipe. 2. a. the transfer of heat between two parts of a stationary system at different temperatures. b. conductivity (def. 1). 3. the carrying of sound waves, electrons, heat, or nerve impulses by a nerve or other tissue. [1530–40; < Latin]
How does radiation carry heat?
Radiation carries heat in the form of waves through space. A hot object, like the hot wire in a heat lamp, gives off energy waves called infrared rays. When these rays strike an object, its molecules absorb the rays' energy and vibrate or move faster, and so the object becomes hotter.
What does "conducting" mean?
n. The transmission or conveying of something through a medium or passage, especially the transmission of electric charge or heat through a conducting medium without perceptible motion of the medium itself. American Heritage® Dictionary of the English Language, Fifth Edition.
How does heat travel through a solid?
Heat travels by conduction, convection, or radiation. In conduction, heat spreads through a solid by making its molecules vibrate faster. As faster molecules bump slower ones, the slower ones are made to vibrate faster, and the solid becomes hotter.
How does energy flow through a substance?
In heat conduction, the energy flows by direct contact of the substance's molecules with each other. Although the molecules vibrate, they do not change position in the transfer of energy. In electrical conduction, energy flows by the movement of electrons or ions.
