Question

what is convection and radiation ..... please help me Didi or bhaiya​

Answer 1

Answer:

Ok sure mate

Explanation:

Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

Answer 2

Explanation:

HEY MATE ......

Radiation: Radiation is the transfer of energy by electromagnetic radiation.

Following are the examples of radiation:

➞Microwave radiation emitted in the oven is an example of radiation.

➞UV rays coming from the sun is an example of radiation.

➞The release of alpha particles during the decaying of Uranium-238 into Thorium-234 is an example of radiation.

Convection: This is a transfer of heat by mixing a fluid. ...

Examples of convection include:

➞Boiling of water, that is molecules that are denser move at the bottom while the molecules which are less dense move upwards resulting in the circular motion of the molecules so that water gets heated.

➞Warm water around the equator moves towards the poles while cooler water at the poles moves towards the equator.

➞Blood circulation in warm-blooded animals takes place with the help of convection, thereby regulating the body temperature.

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