Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
- If I heat a circular disk with a hole the diameter of the hole will increase.
- Because thermal expansion takes place when we heat the disk.
APPEARS IN
संबंधित प्रश्न
The increase in length of a metal rod depends on
What is matter? What is it composed of?
Iron rims are heated before they are fixed on the wooden wheels.
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
At what temperature the pure water has (a) maximum density (b) minimum volume?
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
Thermal expansion is always a nuisance.
- Assertion: Gas is highly compressible than solid and liquid
- Reason: Interatomic or intermolecular distance in the gas is comparably high.
How solids are expanded on heating?
What type of glassware is used in laboratories? Why?
