Jamb Physics 1997 Past Questions and Answers

Question 46:

• JAMB 1997

A uniform light beam XZ is Hinged at X and kept in equilibrium by the forces T and F as shown in the diagram above. if XO = 20m and OY = 30cm, express T in terms of F

A. T =2√3/3
B. T= 2F
C. T = 5V3F/3
D. T = 5F

Question 47:

• JAMB 1997

For a rough inclined plane on which lies a body of weight W, the angle θ in the diagram above becomes the angle of friction if

A. Tan θ = coefficient of static friction
B. Cos θ = coefficient of dynamic friction
C. Sin θ = coefficient of sliding friction
D. Sec θ = limiting frictional force

Question 48:

• JAMB 1997

The diagram above shows two wave forms P and Q at a particular instant in time. the two waves will interface

A. Destructively to produce a wave of larger amplitude
B. Destructively to produce a wave of smaller amplitude
C. Constructively to produce a wave of larger amplitude
D. Constructively to produce a wave of smaller amplitude

Question 49:

• JAMB 1997

When the sun, moon and the earth are as shown in the diagram above an observer standing in X is in

A. Penumbra and sees a partial eclipse
B. Penumbra and sees a total eclipse
C. Umbra and sees a partial eclipse
D. Umbra and sees a total eclipse