Advertisements
Advertisements
प्रश्न
Define the following term:
Coefficient of cubical expansion
उत्तर
The coefficient of volume expansion is equal to the change in volume of a rod of volume 1m3 when its temperature rises by 1°c.
APPEARS IN
संबंधित प्रश्न
State three factors on which depend the linear expansion of a metal rod on heating.
One rod of copper and another identical rod of iron are heated to the same rise in temperature. Which rod will expand more? Give reason.
In the ball and ring experiment, if the ball after heating is left to cool on the ring for sometime, the ball again passes through the ring. Explain the reason.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
Distinguish between a clinical and a laboratory thermometer.
Thermal expansion is always a nuisance.
What difference do you think heating the solid will make in their molecules?
How solids are expanded on heating?
When the vibrations move from one molecule to another molecule heat will flow.