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प्रश्न
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उत्तर
Three properties of a liquid which make it suitable to be used in a thermometer are:
(i) The substance should have a high coefficient of expansion so that it is sensitive to the smallest change in temperature
(ii) The substance should have uniform expansion all over its entire volume
(iii) The substance should have minimum specific heat so that it absorbs minimum heat from the body under measurement.
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संबंधित प्रश्न
State the temperature of ice point on the Celsius scale.
Draw a neat labelled diagram of a laboratory thermometer.
Name the one common unit of temperature. Write their symbols also.
Write S.I. unit of temperature.
Define coefficient of volume expansion.
What is the unit of coefficient of volume expansion?
A small gap is left between two iron rails of the railway track. Why?
What is meant by the lower and upper fixed points of a thermometer?
Give a scientific reason for the following:
Old quits are less warm than the new ones.
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.
