Question

what is the working principal of
a mercury thermometer​

Answer 1

Answer:

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube. With changes in temperature, the mercury expands and contracts, and the temperature can be read from the scale. Mercury thermometers can be used to determine body, liquid, and vapor temperature......

Answer 2

Can you please tell me......????!!!!???!?!;!;!;