The vacuum kept in between the walls of a thermos flask reduces the heat transfer by 1. conduction only

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

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

4. conduction and convection

4 views Answered 2023-02-05 15:29

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