Q. The process of heat transfer without the movement of particles is called __________.
कणों की गति के बिना ऊष्मा स्थानांतरण की प्रक्रिया को __________ कहा जाता है।
Explanation
In conduction, heat is transferred through a material by the vibration and interaction of particles (usually atoms or molecules), but the particles themselves do not move from one place to another. This is common in solids, especially metals.
Convection involves the movement of particles (fluids like liquids or gases).
Radiation does not require particles at all—it transfers heat through electromagnetic waves.
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