You may have noticed that a few sharp jerks are given to clinical thermometer before using it. Why is it not done in lab thermometers?

Question

You may have noticed that a few sharp jerks are given to clinical thermometer before using it- Why is it done so-

Toppr Admin · Accepted Answer

The jerks given to the thermometer before using it in order to get an accurate reading- the jerks allow the mercury level to flow into the bulb- below from the normal temperature-

You may have noticed that a few sharp jerks are given to clinical thermometer before using it. Why is it done so?

The jerks given to the thermometer before using it in order to get an accurate reading, the jerks allow the mercury level to flow into the bulb, below from the normal temperature.