Question

thermos flask keep a liquid hot by preventing heat loss through​

Answer 1

Answer:

Explanation: The silver coating on the inner bottle prevents heat transfer by radiation, and the vacuum between its double wall prevents heat moving by convection. The thinness of the glass walls stops heat entering or leaving the flask by conduction.

I hope it's help you please like and vote this question and mark on brain list please follow me

Answer 2

Answer:

The silver coating on inner bottle prevent heat transfer by radiation, and the vacuum between it's double wall prevents heat moving by convection. The thinness of glass walls stops heat entering or leaving the flask by conduction.