PH-1772
Physical quantities and SI units
Physics · Secondary 4 · Hard · Physical quantities and SI units
A 2.0 m long mercury‑in‑glass thermometer has its mark at 5.0 cm from the bulb and its mark at 35.0 cm. When in a liquid, the mercury thread ends at 23.0 cm. What is the temperature of the liquid?
- 30 °C
- 36 °C
- 40 °C
- 50 °C
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