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The bore of a thermometer is narrow to ensure a quick and accurate response to temperature changes, as the narrow bore reduces the amount of Mercury or other liquid needed to fill it. A narrow bore also allows for more precise temperature readings, especially when measuring small temperature differences.
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What is the function of the bore in a thermometer?
The bore in a thermometer is the narrow tube where the liquid (mercury or alcohol) expands and contracts with temperature changes. This expansion and contraction of the liquid in the bore allows the thermometer to measure and display the temperature accurately.
Why does a mercury-in-glass laboratory thermometer have a narrow capillary bore?
The narrow capillary bore allows for more precise measurement of temperature changes because the mercury expands and contracts more readily in the smaller tube. This enables the thermometer to detect even small variations in temperature accurately.
What is the advantage of having the liquid thermometer move up a narrow bore?
Having the liquid thermometer move up a narrow bore helps to magnify even small changes in temperature, making the measurements more accurate. It also allows for a greater range of temperatures to be measured within a smaller physical space. Additionally, the narrow bore provides a consistent and uniform environment for the liquid to expand or contract in response to temperature changes.
How does the size of capillary bore of a thermometer affect its accuracy?
As the temperature rises, the mercury expands into a narrow bore, because the volume of the mercury increases. If the bore is very narrow then the extra volume has to go a longer way up the bore to accomodate that volume, so it is more sensitive to small changes of temperature. And it is easier to spot small changes of temperature, and read them from the scale more accurately. But if the scale isn't marked accurately in the first place you are no better off.
Why are the thermometers called liquid in glass thermometers?
A so-called "glass" thermometer has a small bore-hole in the center of the glass that has some liquid in it. It's the activity of the liquid in the narrow hole that makes the thermometer a thermometer.
What is a thermometer bore?
A bore refers to the extremely fine or narrow tube found in a thermometer. It is called a narrow bore or a capillary.
What is the function of the bore in a thermometer?
The bore in a thermometer is the narrow tube where the liquid (mercury or alcohol) expands and contracts with temperature changes. This expansion and contraction of the liquid in the bore allows the thermometer to measure and display the temperature accurately.
Why does a mercury-in-glass laboratory thermometer have a narrow capillary bore?
The narrow capillary bore allows for more precise measurement of temperature changes because the mercury expands and contracts more readily in the smaller tube. This enables the thermometer to detect even small variations in temperature accurately.
What is the advantage of having the liquid thermometer move up a narrow bore?
Having the liquid thermometer move up a narrow bore helps to magnify even small changes in temperature, making the measurements more accurate. It also allows for a greater range of temperatures to be measured within a smaller physical space. Additionally, the narrow bore provides a consistent and uniform environment for the liquid to expand or contract in response to temperature changes.
Why is the bore of the capillary tube of a mercury thermometer made narrow?
Answer Vapour Pressure and Precisiondh25sThe vapour pressure of mercury (Hg) is low (0.0017 torr at 25 oC). The vapour pressure is dependent on temperature, thus what you want to measure. As the temperature increases, the vapour pressure increases and the mercury imbibes further up the capillary. If the capiallry radius were larger, the readings would be more difficult to see, i.e. the precision would decrease. Vapor pressure has nothing to do with how a Mercury thermometer works. As the temperature rises, the mercury expands into a narrow bore, because the volume of the mercury increases. If the bore is very narrow then the extra volume has to go a longer way up the bore to accomodate that volume, so it is more sensitive to small changes of temperature.
How does the size of capillary bore of a thermometer affect its accuracy?
As the temperature rises, the mercury expands into a narrow bore, because the volume of the mercury increases. If the bore is very narrow then the extra volume has to go a longer way up the bore to accomodate that volume, so it is more sensitive to small changes of temperature. And it is easier to spot small changes of temperature, and read them from the scale more accurately. But if the scale isn't marked accurately in the first place you are no better off.
Why are the thermometers called liquid in glass thermometers?
A so-called "glass" thermometer has a small bore-hole in the center of the glass that has some liquid in it. It's the activity of the liquid in the narrow hole that makes the thermometer a thermometer.
How does length and bore affect sensitivity of mercury thermometer?
The sensitivity of a mercury thermometer is affected by its length and bore. A longer thermometer will respond more slowly to temperature changes due to the increased mercury column length, while a wider bore allows for more mercury movement and can increase sensitivity to small temperature changes.
The capillary tubing has a uniform bore in a mercury thermometer?
yes ! to insure linearity
Why is the thread of a thermometer narrow?
The narrow thread of a thermometer allows it to respond more quickly to changes in temperature. This design ensures that the thermometer provides a more accurate reading by allowing the liquid inside to expand or contract faster in response to temperature changes.
Why is the bore smaller right above the bulb in a thermometer?
The narrower the bore the less liquid (mercury or alcohol) is required so the bulb containing the fluid will adjust more quickly to the temperature being measured. o.k well the narrower bore makes the liquid move slower up the thermometer so the accuracy is better ?????
Why is the bore on a clinical thermometer narrower directly above the bulb?
The bore of a clinical thermometer is narrower directly above the bulb to slow down the expansion of mercury and provide a more accurate reading. This design helps to prevent sudden changes in temperature from affecting the reading, making the thermometer more precise.
