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प्रश्न
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
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उत्तर
Sentence is telling the truth as heat energy flows from an object at a higher temperature to an object at a lower temperature.
संबंधित प्रश्न
What is a bimetallic strip?
What is meant by the lower and upper fixed points of a thermometer?
Convert the following temperature into Celsius scale:
32oF
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
Out of metals, liquids, and gases:
Which one is worst conductor of heat?
Explain the following:
Why is the cooling in a refrigerator kept near the top?
Distinguish between heat and temperature.
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
Distinguish between linear, arial, and superficial expansion.
