The lower and upper fixed point of a thermometer are 30mm and 180mm respectively. Calculate the temperature in degrees Celsius when the thermometer reads 45mm. by Sunday | May 21 | Physics WAEC | 0 comments A. 10.0°C B. 15.0°C C. 20.0°C D. 30.0°C Correct Answer: Option A A. 10.0°C Users Also Read These:A thermometer has its stem marked in millimeter…The ice and steam points of a certain thermometer…A mercury-in-glass thermometer read 4cm at ice point…A faster colour change of a dry cobalt chloride…A platinum resistance thermometer has a resistance…