Advertisements
Advertisements
प्रश्न
What do you understand by thermal expansion of a substance?
Advertisements
उत्तर
The expansion of a substance on heating is called the thermal expansion of the substance.
संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
What is matter? What is it composed of?
State three factors on which depend the linear expansion of a metal rod on heating.
An iron washer is heated. State the effect on its mass.
An iron washer is heated State the effect on its density.
An iron washer is heated. State the effect on its external.
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?
Distinguish between a clinical and a laboratory thermometer.
Give reasons for the following:
In cold countries, water pipes burst in winter.
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.
How solids are expanded on heating?
When we cool the liquid it will become ______.
