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प्रश्न
Draw a diagram showing the temperature of various layers of water in an ice covered pond.
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उत्तर
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संबंधित प्रश्न
Name two substances which expand on heating.
Define temperature and write its SI unit.
Is it correct to say that heat is the cause of temperature?
What is evaporation? Why does it cause cooling?
One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.
Give a scientific reason for the following:
It is better to use thin blankets to keep the body warm rather than using a single blanket of thickness equal to their combined thickness.
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
Explain the following:
Conduction is not possible in vacuum.
Distinguish between heat and temperature.
