CTET PAPER 2 · Science
What is present between the inner and outer walls of a thermos flask, and why?
- Air, to stop conduction
- Steel, to stop radiation and convection
- Air, to stop radiation and conduction
- Vacuum, to reduce conduction and convection
What is present between the inner and outer walls of a thermos flask, and why?
- Air, to stop conduction
- Steel, to stop radiation and convection
- Air, to stop radiation and conduction
- Vacuum, to reduce conduction and convection
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