Advertisements
Advertisements
प्रश्न
Define coefficient of linear expansion. Write its SI unit.
Advertisements
उत्तर
Coefficient of Linear expansion is equal to the change in length of a rod of length 1m when its temperature rises by 10C. Its SI unit is oc-1.
APPEARS IN
संबंधित प्रश्न
Why does a piece of ice when touched with a hand, appear cool? Explain.
Explain the following
Water pipes in colder countries often burst in winter.
Do all substances expand on heating? Give examples.
State one use of each of the following type of thermometer:
Clinical thermometer
Explain the following:
In a solid, heat is not transferred by the process of convection.
Explain the following:
Conduction is not possible in vacuum.
A small change in the temperature causes change in ______ of a liquid.
Give reasons why –
gaps are left between railway tracks
Which factor determines the direction of flow of heat from one body to another?
