Advertisements
Advertisements
Question
Select the correct alternative
The vacuum kept in between the walls of a thermos flask reduces the heat transfer by
Options
conduction only
convection only
radiation only
conduction and convection
Advertisements
Solution
conduction and convection
APPEARS IN
RELATED QUESTIONS
Give two examples each of conductors and insulators of heat.
No medium is required for transfer of heat by the process of ______.
Write true or false for a given statement.
Medium is necessary for the transfer of heat by radiation.
Fill in the blank
Heat transfer in solids is by ______
Select the correct alternative
Heat in a liquid is transferred by
Select the correct alternative
In the process of convection, heat travel
______ of heat does not require a medium.
The earth receives heat from the sun by ______.
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Explain which mode of heat transfer causes sea breezes and land breezes.
