Question

true or false if false correct it

the constriction in a mercury thermometer prevents the back flow of mercury​

Answer 1

Answer: It is true.

Explanation: A kink which is placed before the bulb helps to prevent the back flow of mercury which has raised due to our body temperature, so that we can get a easy and clear reading.

Answer 2

It is true: A kink which is placed before the bulb helps to prevent the back flow of mercury which has raised due to our body temperature, so that we can get a easy and clear reading.

Hope it Helps you

Answer:

True