Advertisements
Advertisements
Question
Solution
APPEARS IN
RELATED QUESTIONS
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.
Iron rims are heated before they are fixed on the wooden wheels.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
A metal plate is heated. State three factors on which the increase in its area will depend.
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.
An iron washer is heated. State the effect on its external.
Define the following term:
Coefficient of cubical expansion
Give reason for the following
An ordinary glass bottle cracks when boiling water is poured into it, but a borosilicate glass bottle does not.
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.
