Calculate the length which corresponds to a temperature of 20oC if the ice and steam points of an unguarded thermometer are 400 mm apart
-
A.
20mm -
B.
30mm -
C.
60mm -
D.
80mm
Correct Answer: Option D
Explanation
At 100oC = 400
Therefore,
At 20oC = (frac{400}{100} times frac{20}{1}) = 80
There is an explanation video available below.