Thermal Expansion - Jamb Physics Past Questions and Answers

Question 31:

• JAMB 2020

In what range of temperature is the expansion of water anomalous?

A. +208${}^o$C to +212${}^o$C
B. -80${}^o$C + -76${}^o$C
C. 0${}^o$C to +4${}^o$C
D. -4${}^o$C to +0${}^o$C

Question 32:

• JAMB 2020

The linear expansivity of brass is 2 x 10${}^{-5}$ ${}^o{C}^{-1}$. If the volume of piece of brass is 10cm${}^3$ at 0${}^o$C. What will be its volume at 100${}^o$C?

A. 10.06cm${}^3$
B. 10.04 cm${}^3$
C. 10.02 cm${}^3$
D. 10.20 cm${}^3$