Question

how does the kink prevent the mercury from immediately falling in a clinical thermometer?

Answer 1

Answer:

Now, to prevent the sudden fall in the level of mercury after a temperature is measured and causing error in the reading, the thermometer is provided with a kink near the bulb. The kink regulates the in and out flow of mercury from the bulb, making the rise and fall in level of mercury in the tube slow.

Answer 2

Explanation:

The kink regulates the flow of mercury inside the thermometer