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The heat from an open fire in the kitchen reaches cook's face bya. radiation onlyb. convection onlyc. conduction onlyd. both radiation and convectione. both radiation and conduction. |
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Answer» Answer: Explanation:Conduction takes PLACE in (a) solid only (b) liquids only (c) gases only (d) in solids, liquids and gases ANSWER: (a) solid only In conduction, the MOLECULES vibrate and hit each other to transfer the heat energy between them. The molecules need not to travel from one end to other. THEREFORE, it is only POSSIBLE in solids in which the molecules do not MOVE but vibrate on heating. |
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