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संबंधित प्रश्न
The increase in length of a metal rod depends on
A cubical metal solid block is heated. How will its volume change?
An empty glass bottle is fitted with a narrow tube at its mouth. The open end of the tube is kept in a beaker containing water. When the bottle is heated, bubbles of air are seen escaping into water. Explain the reason.
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
Define the following term:
Coefficient of superficial expansion
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.
Complete the following sentence:
When ice melts its volume ______ and density _______.
Borosilicate glass do not expand much on being heated.
