Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Take a ball and ring apparatus as shown in figure. At room temperature, the ball can just pass through the ring. Now heat the ball over a flame and try to pass it through the ring. You will find that the ball when heated is not able to pass through the ring. The diameter of the ball increases when the ball is heated. This shows the expansion of solid on heating.
APPEARS IN
संबंधित प्रश्न
A longer rod expands ........... than a shorter rod on being heated to the same temperature.
Why is one end of a steel girder in a bridge kept on rollers instead of fixing it in pillar?
An iron washer is heated State the effect on its density.
Give scientific reason.
An ordinary glass bottle cracks when boiling water is poured into it, but a borosil glass bottle does not.
What is the velocity of thermal radiations?
What is meant by thermal expansion?
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.
