Subject :Physics Class : Class 7
See the following picture of laboratory thermometer and answer the questions.
Thermometers are used to measure the temperature. Thermometer senses the temperature by which one of the following liquids?
A Sulfur based fluid
B Potassium based fluid
C Hydrocarbon based fluid
D None of these
T̵h̵e̵n̵ w̵h̵a̵t̵ it is