Jamb Physics 2007 Past Questions and Answers

Question 41:

• JAMB 2007

A string of length 4m is extended by 0.02m when a load of 0.4kg is suspended at its end. What will be the length of the string when the applied force is 15N?

A. 4.05m
B. 4.08m
C. 5.05m
D. 6.08m

Question 42:

• JAMB 2007

Which of the following gas laws is equivalent to the work done?

A. Boyle' law
B. Charles law
C. Pressure law
D. Van der Waal's law

Question 43:

• JAMB 2007

The difference observed in solids, liquids and gases can be accounted for by

A. The different molecules in each of them
B. The spaces and forces acting between the molecules
C. Thier melting points
D. Their relative massess

Question 44:

• JAMB 2007

If two charged plates are maintained at a potential difference of 3 kv, the work done in taking a charge of 600µc across the field is

A. 0.8j
B. 1.8j
C. 9.0j
D. 18.0j

Question 45:

• JAMB 2007

A conductor has a diameter of 1.00mm and length of 2.00m. If the resistance of the material is 0.1Ω, the resistivity is

A. 2.55 * 10⁵ Ωm
B. 2.55 * 10³ Ωm
C. 3.93 * 10^-6 Ωm
D. 3.93 * 10^-8 Ωm