The length of the mercury thread is found to be 4cm and 24cm at ice point and steam point respectively on an ungraduated thermometer.What is the temperature corresponding to a length of 8cm?
Question
Question
The length of the mercury thread is found to be 4cm and 24cm at ice point and steam point respectively on an ungraduated thermometer.What is the temperature corresponding to a length of 8cm?
Answer:
The difference between ice and steam in Celsius (Centigrade) is 100 deg.
So the difference between and 4 cm and 24 cm of the thread corresponds to 100 deg C.
So 8 cm is 4 cm greater than the ice point
4 cm / 20 cm = 1/5 since the steam point and the ice point are 20 cm apart
Then 1/5 * 100 deg C = 20 deg C the requested temperature