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प्रश्न
In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?
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उत्तर
It is a property of mercury to expand when heated. Hence, after expansion, it rises in the capillary tube.
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संबंधित प्रश्न
Why do we jerk a clinical thermometer before we measure the body temperature?
State the similarities and differences between the laboratory thermometer and the clinical thermometer
Digital thermometer is widely used for the measurement of the temperature due to ______.
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Mention the use of laboratory thermometers.
Mention any two precautions to be followed while using a clinical thermometer.
Write a note on the laboratory thermometer.
Explain how do you determine the temperature of hot water using a laboratory thermometer?
Boojho has three thermometers as shown in the following figure. He wants to measure the temperature of his body and that of boiling water. Which thermometer (s) should he choose?
You may have noticed that a few sharp jerks are given to a clinical thermometer before using it. Why is it done so?
