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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
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
Fill in the blank:
The normal temperature of human body is ............ °C or...........°F.
A thermometer is graduated in ______.
Fill in the blank.
The lower fixed point in a laboratory thermometer is the same as that of ................
State if the following statement is true or false. Correct the statement if it is false.
A laboratory thermometer has a kink in its capillary tube.
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.
Higher Order Thinking question
What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?
What is the average internal temperature of the human body?
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
