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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?
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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
The hotness of an object is determined by its ______.
Fill in the blank:
The thermometer used to measure the human body temperature is called the ........... thermometer.
Can a clinical thermometer be used to measure the temperature of the boiling water? Give the reason for your answer.
Fill in the blank.
The temperature at which water freezes is known as ..................
State if the following statement is true or false. Correct the statement if it is false.
Water is the most commonly used thermometric substance.
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.
Higher Order Thinking question
What must be the temperature in Fahrenheit, so that it will be twice its value in Celsius?
The freezing point of alcohol is less than ______.
Go to a doctor or your nearest health centre. Observe the doctor taking the temperature of patients. Enquire:
- Why she dips the thermometer in a liquid before use.
- Why the thermometer is kept under the tongue.
- Whether the body temperature can be measured by keeping the thermometer at some place other than the mouth.
- Whether the temperature of different parts of the body is the same or different.
You can add more questions which come to your mind.
