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|Published on: May 21|Categories: 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:The distance between the fixed points of a…A thermometer has its stem marked in millimeter…A mercury-in-glass thermometer read 4cm at ice point…A platinum resistance thermometer has a resistance…The lower and upper fixed points marked on a…SEE ALSO What effort will a machine of efficiency 90% apply to lift a load of 180N if its efforts arm is twice as long as its load arm?