Question:
The process of transfer of heat from one body to the other body without the aid of a material medium is called
AConduction
BRadiation
CConvection
DAdvection
Answer:
B. Radiation
Explanation:
- The process by which heat is transferred without the help of any material medium is called radiation.
- As, radiation is the mode of heat transfer in which heat is radiated or transmitted from one place to another in the form of rays or waves.
- Conduction: This involves the transfer of heat through a material due to the collision of molecules. It requires a material medium.
- Convection: This involves the transfer of heat through the movement of a fluid (liquid or gas). It also requires a material medium.
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