Waec Physics 2011 Past Questions and Answers

Question 6:

• WAEC 2011

The property of a fluid that is used to determine its suitability as a lubricant is its

A. Capillarity
B. Viscocity
C. Surface tension
D. Relative density

Question 7:

• WAEC 2011

The area under a velocity-time graph represents

A. Final velocity attained
B. Distance covered
C. Acceleration
D. Workdone

Question 8:

• WAEC 2011

In the absence of gravitational force, the weight of the body is

A. Its mass
B. Zero
C. Its density
D. Its volume

Question 9:

• WAEC 2011

Which of the following propeties is not considered in choosing mercury as a thermomemetric liquid?

A. Density
B. Expansivity
C. Conductivity
D. Opacity

Question 10:

• WAEC 2011

A stone of mass 300g is released from rest from the top of a bulding of height 100m. Determine the kinetic energy gained by the stone when it is a quarter way down from the point of release.[g = 10 ms^-2]

A. 750.0J
B. 225.0J
C. 75.0J
D. 22.5J