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Define temperature and write its S.I. unit.
Distinguish between heat and temperature.
Explain, why are the taps left dripping in sub-zero temperatures during winter?
What is the normal temperature of human body?
What is the unit of coefficient of volume expansion?
What is the relation between α and γ?
Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.
Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.
Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given 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.
What is the minimum possible temperature? Is there also a maximum possible temperature?
