Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.
Question: 3
Mercury is basically used in thermometer devices because its epeciality is
- High density
- High liquidity
- Good conductor of heat
- High specific heat
Show/Hide Explanation
Correct Answer: C
None
Sol. Mercury is easily the best liquid to use in thermometers, five important reasons are -
It is very reflective, so it’s easy to see and to read accurately.
It doesn’t wet the glass, so you don’t get an inaccurate reading if the temperature is falling.
It is metal, so it’s good conductor of heat.
It expands evenly with the temperature so a linear scale can be used with a high degree of accuracy.
there is a large of range of temperature for which it is a liquid