Question

describe the working of thermos flask​

Answer 1

Answer:

Thermosflask

The silver coating on the inner bottle prevents heat transfer by radiation, and the vaccum between its double wall prevents heat moving by convection. The thinness of the glass walls stops heat entering or leaving the flask by conduction. The case surrounding the flask provides additional insulation.

Answer 2

Explanation:

thermo flask is an laboratory material....also supplies heat