The lower and upper fixed point of a thermometer are 30mm...
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
10.0oC
15.0oC
20.0oC
30.0oC
Correct answer is A
100....180
A......45
0......30
45−30180−30=A−0100−0
A = 15×100150=10oC