Q. Which of the following is used in very low temperature thermometers?
A) $He$
B) $Ne$
C) $H_{2}$
D) $N_{2}$
Explanation
(a)
Liquid helium us used in very low temperature thermometer
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.