Question

Constriction is made in a clinical thermometer why​
subject :science (energy)

Answer 1

The constriction in the thermometer is to prevent the mercury from dropping back to the bulb when the reading is being taken. It is easier for us to take reading. It prevents the thermometric substance (Mercury or Alcohol) from running back into the bulb.

Step-by-step explanation:

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Answer 2

constriction is made in a clinical thermometer because it prevents the thermometric liquid from running back into the bulb.