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प्रश्न
Explain the following:
Water is heated generally from below.
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उत्तर १
Water is heated generally from below because water itself is a bad conductor of heat and the transfer of heat through convection take place vertically upwards
उत्तर २
Water is heated from below because water is heated by process of convection and in process of convection heat always flows in upward direction from downward direction.
संबंधित प्रश्न
Fill in the blank
The S.I. unit of temperature is ________.
What is the Celsius scale of temperature ?
Convert 40°C to the (a) Fahrenheit scale (b) Kelvin Scale.
Name the one common unit of temperature. Write their symbols also.
What is a bimetallic strip?
The following figure shows a container in which a lighted candle has been kept. The container has two openings, p, and Q. Which way the smoke from an external source placed near P moves when it reaches P and leaves from Q. Give a reason for your answer.
Temperature measures the ______ kinetic energy of molecules.
What is the concept of temperature?
