Why is mercury used in thermometers?
A. It volume is proportional to square of increase of temperature
B. It shows linear variation in volume with temperature
C. Its volume remains constant with temperature
D. Its volume decreases with increase in temperature
Answer:B
Why is mercury used in thermometers?
A. It volume is proportional to square of increase of temperature B. It shows linear variation in volume with temperature C. Its volume remains constant with temperature D. Its volume decreases with increase in temperature