Jamb Physics 2019 Past Questions and Answers

Question 11:

• JAMB 2019

A metal rod has a length of 100cm at 200\(^oC\). At what temperature will its length be 99.4cm. If the linear expansivity of the material of the rod is 2 x 10\(^{-5}C^{-1}\)

A. 200\(^o\)C
B. 300\(^o\)C
C. 100\(^o\)C
D. -100\(^o\)C

Question 12:

• JAMB 2019

According to kinetic molecular model, in gases

A. The molecule are very fast apart & occupy all the space made available
B. The particles vibrate about fixed positions and are held together by the strong intermolecular bond between them
C. The particles occur in clusters with molecules slightly farther apart
D. The particles are closely packed together, they occupy minimum space & are usually arranged in a regular pattern

Question 13:

• JAMB 2019

The value of T in the figure above is

A. 30N
B. 10.0N
C. 20N
D. 40N

Question 14:

• JAMB 2019

A train has an initial velocity of 44m/s and an acceleration of -4m/s\(^2\). Calculate its velocity after 10 seconds

A. 10m/s
B. 6m/s
C. 8m/s
D. 4m/s

Question 15:

• JAMB 2019

Lamps in domestic lightings are usually in

A. Series
B. Divergent
C. Convergent
D. Parallel