Physics 2007 Jamb Past Questions and Answers

Question 26 :

• JAMB 2007

Silicon doped with aluminum and germanium doped with arsenic become?

A. P- and n- types respectively
B. N- en p- type respectively
C. P- type semiconductor
D. N- type semiconductors

Question 27 :

• JAMB 2007

The figure above shows 4 forces 3N, 10N, 3√3N and 6N acting on a particle P. The resultant of he four forces is

A. 5N
B. 5√ 3N
C. 10N
D. 10√ 3N

Question 28 :

• JAMB 2007

From the diagram above, the bob of the pendulum has the fastest speed at

A. X
B. Y
C. Z
D. W

Question 29 :

• JAMB 2007

In the diagram above, a rod 50 cm long of uniform cross-section is suspended horizontally on a fulcrum, F, by the action of two forces. What is the weight of the rod?

A. 40N
B. 80N
C. 120N
D. 200N

Question 30 :

• JAMB 2007

A boy drags a bag of rice along a smooth horizontal floor with a force of 2N applied at the angle of 60^o to the floor.

The work done after a distance of 3m is

A. 3 J
B. 4 J
C. 5 J
D. 6 J