Jamb Physics 2006 Past Questions and Answers

Question 46:

• JAMB 2006

The diagram above represents the stress-strain graph for a typical metal rod. What does the X represent?

A. Breaking point
B. Yield point
C. Elastic limit
D. Proportional limit

Question 47:

• JAMB 2006

In the diagram above, the pressure of the gas is

A. 86 cm of mercury
B. 66 cm of mercury
C. 96 cm of mercury
D. 76 cm mercury

Question 48:

• JAMB 2006

A mirror of weight 75N is hung by a cord from a hook on the wall. If the cord makes an angle of 30^o with horizontal, the tension in the cord is

A. 100N
B. 1500N
C. 250N
D. 150N

Question 49:

• JAMB 2006

In a gas experiment, if the volume of the gas is plotted against the reciprocal of the pressure, the unit of the slope of the resulting curve is

A. Force
B. Temperature
C. Power
D. Work

Question 50:

• JAMB 2006

A shooter wants to fire a bullet in such a way that its horizontal range is equal to three times its maximum height. At the what angle should he fire the bullet to achieve this?

A. 68^o
B. 53^o
C. 30^o
D. 45^o