Question

In thermometers liquid instead of gaes and solids are used. Explain why? The FIRST answer should be MARKED as BRAINLIST.....​

Answer 1

The liquid used in thermometers has moderate coefficient of expansion so as to measure body temperature where as solids have very low and gases have very high coefficient of expansion.Mercury is the only one in liquid state at room temperature. It's used in thermometers because it has high coefficient of expansion.