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प्रश्न
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उत्तर
It can be seen from the graph that the volume of the water decrease from 0°C to 4°C and the volume is minimum at 4°C. After 4°C, the volume increases with the increase in temperature.
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संबंधित प्रश्न
Equal volumes of different liquids expand by a different amount when they are heated to the same rise in temperature.
Kerosene contracts on heating.
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
In the ball and ring experiment, if the ball after heating is left to cool on the ring for sometime, the ball again passes through the ring. Explain the reason.
Iron rims are heated before they are fixed on the wooden wheels.
What is the velocity of thermal radiations?
Give reasons for the following:
Telephone wires sag in summer.
Give reasons for the following:
In cold countries, water pipes burst in winter.
Borosilicate glass do not expand much on being heated.
