Vacuum flasks use a vacuum to keep out heat loss, if so there is near vacuum between the sun and earth, then how is the heat from the sun transmitted to earth? -
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A thermos flask is designed to prevent the contents of the flask from losing heat. Which of the following statements concerning the design of thermos flasks is incorrect?
Draw a labelled diagram of a thermos flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to minimum in it.
Heat
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How are the three modes of heat transfer prevented by a thermos flask? - Quora
Draw a labelled diagram of a thermo flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
In a thermos flask, what prevents heat loss(a) radiation(b) heat losses by conduction and convection are largely prevented
A thermos flask is designed to prevent the contents of the flask from losing heat. Which of the following statements concerning the design of thermos flasks is incorrect? A. The stopper helps
![Solved] Which one of the following statements is FALSE about Thermos](https://storage.googleapis.com/tb-img/production/20/04/F1_Jayesh_Deepak_28.02.2020_D3_2.png "Solved] Which one of the following statements is FALSE about Thermos")
Solved] Which one of the following statements is FALSE about Thermos
GCSE Physics Revision - Design Features of a Thermos Flask - YouTube
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