Physics for IGCSE & O level - Thermal Effects (Section 2 - No. 9)
What are the components of a typical thermometer?
A sealed glass tube
A bulb containing a liquid (e.g., mercury)
A scale to measure temperature
A power source to heat up the mercury
ব্যাখ্যা
The components include a sealed glass tube, a bulb containing liquid, and a scale.