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प्रश्न
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उत्तर
Two disadvantages of using mercury as a thermometric liquid:
(i) It does not have uniform expansion.
(ii) Mercury is less sensitive than alcohol as its coefficient of expansion is less than alcohol.
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संबंधित प्रश्न
Name the S.I. unit of heat and how is it related to the unit calorie?
What do you mean by temperature?
What is meant by the lower and upper fixed points of a thermometer?
Convert the following temperature into Fahrenheit scale:
600C
Who am I?
Land and water get heated due to me.
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.
Heat energy flows from a body at a low temperature to a body at a higher temperature.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
