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प्रश्न
What is the principle used in a thermometer?
एक पंक्ति में उत्तर
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उत्तर
Thermometer works on the principal that substances expand when heated and contract on cooling.
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संबंधित प्रश्न
Convert 5°F to the Celsius scale.
Two bodies at different temperatures are placed in contact. State the direction in which the heat will flow.
Name two substances which contract on heating.
What is the unit of coefficient of linear expansion?
Write the relationship between the Celsius and Fahrenheit scales of temperature.
Is air a good conductor of heat?
Why are hollow bricks used in the construction of cold storage rooms?
Who am I?
I am useful for measuring the correct temperature.
Explain with a diagram, the effect of the spherical shape of the earth on the temperature at different latitudes.
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.
