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संबंधित प्रश्न
Kerosene contracts on heating.
Give reasons for the following:
Telephone wires sag in summer.
Give reasons for the following:
In cold countries, water pipes burst in winter.
The diagram shows a sketch graph showing a change in volume of a given mass of ice at -5°C to water at 15°C.
(i) Why does the temperature along BC remain constant?
(ii) When is the volume of water minimum?
(iii) At what temperature does water have maximum density? Explain.
Borosilicate glass do not expand much on being heated.
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.
The expansion in volume is called linear expansion.
What type of glassware is used in laboratories? Why?
