Waec Physics Past Questions For Year 1995

Question 1

Which of the following is a fundamental quantity?

waec 1995

• A. Heat capacity
• B. Electric current
• C. Torque
• D. Reactance
• E. Density

Question 2

At what angle to the horizontal must the nozzle of a machine gun be kept when firing to obtain a maximum horizontal range for the bullets?

waec 1995

• A. 0.0^o
• B. 22.5^o
• C. 30.0^o
• D. 45. 0^o
• E. 90.0^o

Question 3

The angular speed of an object describing a circle of radius 4m with a linear constant speed of 10 ms^-1 is

waec 1995

• A. 40.00 rad s^-1
• B. 14.00 rad s^-1
• C. 2.50 rad s^-1
• D. 1.58 rad s^-1
• E. 0.40 rad s^-1

Question 4

A body of mass 7.5 kg is to be pulled up along a plane which is inclined at 30^o to the horizontal. If the efficiency of the plane is 75%, what is the minimum force required to pull the body up the plane?

(g = 10ms^-1)

waec 1995

• A. 5.0 N
• B. 20.0 N
• C. 50.0 N
• D. 75.0 N
• E. 200.0 N

Question 5

A student found out from a simple pendulum experiment that 20 oscillations were completed in 38 seconds. What is the period of oscillation of the pendulum?

waec 1995

• A. 8.0s
• B. 3.8 s
• C. 2.0 s
• D. 1.9 s
• E. 0.5s