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प्रश्न
Answer the following in short.
Why is there a slight bend in the capillary tube of a clinical thermometer near the bulb?
उत्तर
A slight bend or kink in the capillary tube of the clinical thermometer near the bulb ensures that the mercury does not move back into the bulb when the thermometer is taken out of a person’s mouth for reading.
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संबंधित प्रश्न
Fill in the blank:
The zero mark in Celsius thermometer is the melting point of ...........
Fill in the blank:
The normal temperature of human body is ............ °C or...........°F.
Select the correct alternative:
A thermometer is graduated in:
What is the normal temperature of the human body? How is it indicated in a clinical thermometer?
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?
Answer the following in detail.
Distinguish between laboratory and clinical thermometers.
International unit of measuring temperature is ______.
At room temperature Mercury is in ______ state.
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.
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
