Explain the construction and working of a thermos flask with the help of a labeled diagram?
(Hint: definition (1 mark), construction and working (3 marks), labeled diagram (1 mark))
Answers
Answered by
4
Answer:
the outercasing of the thermos flask is made up up og metal.plastic is a poor conductor of heat so it acts as an insulator preventing the eat loss through conduction.
Explanation:
Answered by
8
Answer:
A thermos flask maintain the temperature of the substance present in it.
It is constructed in such a way that heat loss due to conduction,convection and radiation is minimized. It is a double walled bottle of thin glass and the space between the walls is evacuated. The mouth of the bottle is closed by a cork or plastic stopper
Attachments:
Similar questions