A mercury-in-glass thermometer read 4cm at ice point and 29cm at steam point. Calculate the temperature when the mercury level is at 9cm? by Sunday | Jan 24 | Physics WAEC | 0 comments A. 13ºC B. 20ºC C. 33ºC D. 38ºC Correct Answer: Option B B. 20ºC Users Also Read These:Calculate the length which corresponds to a…The lower and upper fixed point of a thermometer are…The ice and steam points of a certain thermometer…A thermocouple thermometer is connected to a…A mercury-in-glass thermometer reads - 20° at the…