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Select the Correct Alternative the Vacuum Kept in Between the Walls of a Thermos Flask Reduces the Heat Transfer by Conduction Only Convection Only Radiation Only Conduction and Convection - ICSE Class 7 - Physics

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Question

Select the correct alternative

The vacuum kept in between the walls of a thermos flask reduces the heat transfer by

  1.  conduction only
  2.  convection only
  3.  radiation only
  4. conduction and convection

Solution

conduction and convection

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Solution Select the Correct Alternative the Vacuum Kept in Between the Walls of a Thermos Flask Reduces the Heat Transfer by Conduction Only Convection Only Radiation Only Conduction and Convection Concept: Methods of Heat Transfer - Conduction.
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