What is the use of kink in a Thermometer?
A. It prevents mercury level from falling on its own
B. It raises the mercury level
C. It makes the Thermometer look beautiful
D. It acts as a joint to the glass tube that is used for mercury and the scale
Answer:A
What is the use of kink in a Thermometer?
A. It prevents mercury level from falling on its own B. It raises the mercury level C. It makes the Thermometer look beautiful D. It acts as a joint to the glass tube that is used for mercury and the scale