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A rise in temp causes the expansion of the Mercury or alcohol present in the tube.The graduation is done in such a way that the amount of expansion gives the temp.

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14y ago
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6mo ago

A rise in temperature causes the particles in the thermometer to move faster, which in turn causes the liquid to expand and rise in the thermometer tube. This increase in volume is then calibrated to display a corresponding temperature reading.

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15y ago

expansion of liquids and solids

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Q: A thermometer works on the principle that a rise in temperature causes?
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How does the alchohol thermometer works?

An alcohol thermometer operates based on the principle that alcohol expands when heated and contracts when cooled. The liquid alcohol inside the thermometer expands up the tube as the temperature rises and contracts as the temperature drops, allowing for temperature measurement based on the level of the liquid in the tube.


What is the working principle of a liquid in glass thermometer?

A liquid-in-glass thermometer works based on the principle of thermal expansion. As temperature increases, the liquid inside the thermometer expands and rises in the calibrated glass tube. The level of the liquid indicates the temperature which corresponds with a specific scale on the thermometer.


How does a liquid thermometer works?

A liquid thermometer works based on the principle of thermal expansion. As the temperature increases, the liquid inside the thermometer expands and rises in the narrow tube, indicating a higher temperature. Conversely, as the temperature decreases, the liquid contracts and falls, showing a lower temperature.


How does a fluid-filled thermometer works?

A fluid-filled thermometer works based on the principle that certain fluids expand or contract when heated or cooled. The fluid inside the thermometer expands or contracts with temperature changes, causing the level to rise or fall in the tube. The temperature is then determined by reading the level of the fluid against a calibrated scale.


How does an electrical thermometer works?

An electrical thermometer works by measuring changes in electrical resistance as temperature changes. This change in resistance is then converted into a temperature reading. The resistance of the sensor in the thermometer varies with temperature, allowing for accurate temperature measurements.

Related questions

How does the alchohol thermometer works?

An alcohol thermometer operates based on the principle that alcohol expands when heated and contracts when cooled. The liquid alcohol inside the thermometer expands up the tube as the temperature rises and contracts as the temperature drops, allowing for temperature measurement based on the level of the liquid in the tube.


What is the working principle of a liquid in glass thermometer?

A liquid-in-glass thermometer works based on the principle of thermal expansion. As temperature increases, the liquid inside the thermometer expands and rises in the calibrated glass tube. The level of the liquid indicates the temperature which corresponds with a specific scale on the thermometer.


How does a liquid thermometer works?

A liquid thermometer works based on the principle of thermal expansion. As the temperature increases, the liquid inside the thermometer expands and rises in the narrow tube, indicating a higher temperature. Conversely, as the temperature decreases, the liquid contracts and falls, showing a lower temperature.


How does a fluid-filled thermometer works?

A fluid-filled thermometer works based on the principle that certain fluids expand or contract when heated or cooled. The fluid inside the thermometer expands or contracts with temperature changes, causing the level to rise or fall in the tube. The temperature is then determined by reading the level of the fluid against a calibrated scale.


How does an electrical thermometer works?

An electrical thermometer works by measuring changes in electrical resistance as temperature changes. This change in resistance is then converted into a temperature reading. The resistance of the sensor in the thermometer varies with temperature, allowing for accurate temperature measurements.


How the sixs thermometer works?

The Six's thermometer works based on the principle that different metals have different rates of expansion when heated. The instrument uses two metal strips bonded together that expand at different rates, causing them to bend in response to temperature changes. By measuring the amount of bending, the temperature can be determined.


What is an infered thermometer?

An inferred thermometer is a device that measures temperature from a distance using the principle of thermal radiation. It works by detecting infrared energy emitted by an object and converting it into temperature readings. These thermometers are widely used in various industries and applications where direct contact temperature measurement is not feasible.


What does a thermometer measure and how does it do it?

A thermometer measures temperature by detecting changes in the volume of a liquid (usually mercury or alcohol) or a digital sensor in response to temperature changes. It works on the principle that substances expand when heated and contract when cooled, allowing the thermometer to display the temperature accordingly.


How does Anders Celsius'e thermometer work?

Anders Celsius' thermometer works based on the principle that liquids expand when heated and contract when cooled. The mercury or alcohol inside the thermometer rises or falls in a calibrated tube to indicate changes in temperature. Celsius defined the scale so that 0 degrees represents the freezing point of water and 100 degrees represents the boiling point of water.


How does Mercury work?

Temperature affects the amount the mercury is spread out. Heat causes most liquids to expand, which is how a thermometer works. As heat around the glass protecting the mercury of the thermometer rises, the mercury expands and covers more room in the thermometer.


How does a glass thermometer works?

A glass thermometer works based on the principle of thermal expansion. As the temperature increases, the liquid inside the thermometer (usually mercury or colored alcohol) expands and rises up the narrow tube, allowing for the temperature to be read on the scale marked on the tube. The temperature is determined by measuring the height of the liquid level against the scale.


What is the temperature that a resistance thermometer works best at?

0 to 100c