Jamb Physics 2001 Past Questions and Answers

Question 1:

• JAMB 2001

The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is

A. 380mmHg
B. 570mmHg
C. 190mmHg
D. 480mmHg

Question 2:

• JAMB 2001

The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is

A. 380mmHg
B. 570mmHg
C. 190mmHg
D. 480mmHg

Question 3:

• JAMB 2001

A stone of mass 1kg is dropped from a height of 10m above the ground and falls freely under gravity. Its kinetic energy 5m above the ground is then equal to

A. Its kinetic energy on the ground
B. Twice its initial potential energy
C. Its initial potential energy
D. Half its initial potential energy

Question 4:

• JAMB 2001

If a spherical metal bob of radius 3cm is fully immersed in a cylinder containing water and the water level rises by 1cm, what is the radius of the cylinder?

A. 12cm
B. 1cm
C. 3cm
D. 6cm

Question 5:

• JAMB 2001

The resultant of two forces acting on an object is maximum if the angle between them is

A. 45°
B. 0°
C. 90°
D. 180°