Advertisements
Advertisements
Question
What is thermal expansion?
Advertisements
Solution
The expansion of a substance on heating is called thermal expansion.
APPEARS IN
RELATED QUESTIONS
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
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.
An iron washer is heated. State the effect on its internal diameter.
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.
Explain thermal expansion with suitable examples.
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
How solids are expanded on heating?
When we cool the liquid it will become ______.
