Which of the following types of thermometer is used for the calibration of other thermometers?
A
liqud-in-glass thermometer
B
constant volume gas thermometer
C
optical pyrometer
D
thermocouple
Verified Correct Answer: B.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option B.
Source: Myschool Past Questions Archive (Record #35665)