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प्रश्न
Answer the following in short.
What is the function of the bulb in a thermometer?
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उत्तर
The bulb in a thermometer is filled with mercury. When the bulb is heated, mercury in the bulb expands and rises up in the capillary tube. The height of the mercury gives the reading of temperature.
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संबंधित प्रश्न
The hotness of an object is determined by its ______.
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will ______.
Write true or false.
S.I. unit of temperature is Fahrenheit.
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The zero mark in Celsius thermometer is the melting point of ...........
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The thermometer used to measure the human body temperature is called the ........... thermometer.
A thermometer is graduated in ______.
Name the instrument used for measuring the temperature of a person. Draw its labelled neat diagram.
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The lower fixed point in a laboratory thermometer is the same as that of ................
Answer the following in a word or two or in a sentence.
At what temperature is the upper fixed point of a clinical thermometer kept?
Swathi kept a laboratory thermometer in hot water for some time and took it out to read the temperature. Ramani said it was a wrong way of measuring temperature. Do you agree with Ramani? Explain your answer.
