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\(^{-5}\) \(^oC^{-1}\). 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\(^3\)