Question

The process of transfer of heat from one body to the other body without the aid of a material medium is called

• A. Conduction
• B. Radiation
• C. Convection
• D. Advection

Answer 1

Answer:

B. Radiation

Read 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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