Advertisements
Advertisements
प्रश्न
An iron washer is heated. State the effect on its mass.
Advertisements
उत्तर
Mass remains same on heating.
APPEARS IN
संबंधित प्रश्न
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.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
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.
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
What is thermal expansion?
What difference do you think heating the solid will make in their molecules?
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.
