Jamb Physics 2008 Past Questions and Answers

Question 6:

• JAMB 2008

What is the frquency of vibration if the balance wheel of a wrist watch makes 90 revolutions in 25 s?

A. 0.01 Hz
B. 0.04 Hz
C. 2.27 Hz
D. 3.60 Hz

Question 7:

• JAMB 2008

If a body mass 5kg is thrown vertically upwards with velocity u,at what height will the potential energy equal to the kinetic energy?

A. H =(u)²/g
B. H = (u)²/4g
C. H = (2u)²/g
D. H = (u)²/2g

Question 8:

• JAMB 2008

counting of currency notes with moist fingers is based on the principles of?

A. Diffusion
B. Cohesion
C. Adhesion
D. Viscosity

Question 9:

• JAMB 2008

A motorcycle of mass 100kg moves round in a circle of radius 10m with a velocity of 5 ms^-1. find the coefficient of friction between the road and the tyres.

A. 25.00
B. 2.50
C. 0.50
D. 0.25

Question 10:

• JAMB 2008

A spring of force constant 500 NM^-1 is compressed such that its length shortens by 5cm. The energy stored in the spring is?

A. 0.625 J
B. 6.250 J
C. 62.500 J
D. 625.000 J