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Why is heat loss from a hot object prevented when a material that is a poor conductor of heat, is wrapped around a hot object? Because

waelhammad
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2022-10-22
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Why is heat loss from a hot object prevented when a material that is a poor conductor of heat, is wrapped around a hot object? Because

  1. the particles of the poor conductor easily transfer the kinetic energy of their vibrations to their neighbors.
  2. water vapour is prevented from escaping to the air.
  3. it refl ects radiated heat back into the hot object.
  4. air trapped within the poor conductor prevents convection currents from occurring.
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waelhammad
2022-10-22
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D: In this case, “clothing” the object in an insulator, will prevent air convection from carrying away the warm air in contact with the hot object. Hence cool air is prevented from replacing the heated air.

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