Jamb Physics 2003 Past Questions and Answers

Question 11:

• JAMB 2003

A satellite is in a parking orbit if its period is

A. Less than the period of the earth
B. More than the period of the earth
C. Equal to the period of the earth
D. The square of the period of the earth

Question 12:

• JAMB 2003

T^oC051015204060S.V.P(mmHg)4.586.518.9412.6717.5055.10149.00
The table above shows the saturation vapour pressure against temperature in a certain town. If the vapour pressure in this town at 20^oC is 10mmHg, what is the relative humidity?

A. 170.0%
B. 57.0%
C. 17.5%
D. 10.0%

Question 13:

• JAMB 2003

A turning fork of frequency 340Hz is vibrated just above a cylindrical tube of height 1.2m. If water is slowly poured into the tube, at what maximum height will resonance occur.
[speed of sound in air = 340ms^-1]

A. 0.95m
B. 0.60m
C. 0.50m
D. 0.45m

Question 14:

• JAMB 2003

By what factor will the size of an object placed 10cm from a convex lens be increased if the image is seen on a screen placed 25cm from the lens?

A. 15.0
B. 2.5
C. 1.5
D. 0.4

Question 15:

• JAMB 2003

Thermal equilibrium between two object exist when

A. The temperature of both objects are equal
B. The quantity of heat of both objects is the same
C. The heat capacities of both objects are the same
D. One object losses heat continuously to the other