Question 42
Temperature and ThermometersA liquid-in-glass thermometer should quickly register temperature changes. This is achieved by choosing a liquid that
- A.is opaque
- B.has high density
- C.has regular expansion
- D.has a high thermal conductivity
- E.can wet glass
Show the answer and explanation
Answer: D (has a high thermal conductivity)
Explanation
A liquid with high thermal conductivity quickly takes up the temperature of its surroundings, so the thermometer responds fast.