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The constriction on a thermometer helps to trap the liquid (typically Mercury or alcohol) within the bulb when the thermometer is tilted or turned upside down. This ensures that the thermometer gives accurate readings by keeping the liquid contained within the measuring portion of the instrument.

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1y ago

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Related Questions

What is constriction?

constriction is one part of the thermometer that has like a hill


What is the purpose of a constriction in a thermometer?

measture a tempreture


What is the use of the constriction In the thermometer?

It prevents the Mercury from flowing back into the bulb.


Why does the clinical thermometer have a constriction?

Quote: When the temperature falls, the column of mercury breaks at the constriction and cannot return to the bulb, thus remaining stationary in the tube. After reading the value, the thermometer must be reset by repeatedly swinging it sharply to shake the mercury back through the constriction. Unquote.


What is the use of a constriction in a thermometer?

A constriction in a thermometer is used to trap a certain amount of liquid or gas in the bulb of the thermometer so that it can expand and contract with changes in temperature without all of the substance evaporating. This allows the thermometer to accurately measure and display temperature changes.


Why is it more important to have constriction in a clinical thermometer than in a laboratory one?

Constriction in a clinical thermometer allows for easier reading of temperature changes, important for quick diagnostics. In a laboratory thermometer, a wider range of temperatures may need to be measured with higher precision, so constriction is less important for quick readings.


Why does a clinical thermometer have a narrow constriction?

The narrow constriction in a clinical thermometer prevents the mercury column from dropping back down once body temperature is measured. This allows for an accurate reading of the highest temperature reached by the body.


Function of thermometer?

The function of a thermometer is to measure temperature.


Why constriction is made in clinical thermometer?

The constriction in a clinical thermometer allows for expansion and contraction of the liquid inside without separating the column of liquid. This ensures accurate temperature readings by preventing the liquid from breaking and forming air bubbles.


Why is there a constriction in a clinical thermometer?

The constriction prevents the mercury from returning back to the bulb when the thermometer is removed from a particular body.


Why there is a narrow bend in a thermomter?

The narrow bend in a thermometer, called the constriction, helps to trap and hold the liquid within the bulb of the thermometer as it expands and contracts with changes in temperature. This constriction also acts as a barrier to prevent the liquid from flowing back into the bulb when the thermometer is tilted or turned upside down.


Why there is no constriction in laboratory thermometer?

There is no constriction in laboratory thermometers because they are designed to have a uniform bore diameter along their entire length. This ensures that the thermometer has consistent and accurate readings across the entire scale without any potential variations caused by constrictions.