Waec Physics Past Questions For Year 1993
Question 1
Which of the following is not an example of a force?
- A. Tension
- B. Weight
- C. Friction
- D. Mass
- E. Thrust
Question 2
A body of mass m = 0.5 kg is suspended by a string and pulled by a horizontal force of 1g N as shown in the 12N diagram: Calculate the tension T in the String if the body is in equilibrium. [Take g as 10ms-1]
- A. 7.0
- B. 10.9
- C. 12.5
- D. 13.0
- E. 17.0
Question 3
A body of mass M1 moving with a velocity U collides with a stationary body of mass M2 and both move with a common velocity V lf linear momentum is conserved, which of the following expressions correctly represents V?
- A. M1 U/M1 + M2
- B. M2 U/M1 + M2
- C. M1 + M2/M1 U
- D. M1 - M2/M1 U
- E. M1 U/M1 - M2
Question 4
A body timed 20 oscillations of a certain pendulum three times and obtained 44.3s, 45.5s and 45.7s respectively. Calculate the mean period of oscillation of the pendulum
- A. 0.13s
- B. 2.22s
- C. 2.26s
- D. 44.30s
- E. 45.17s
Question 5
Which of the following is a derived unit?
- A. Ampere
- B. Kilogramme
- C. Second
- D. Ohm
- E. Kelvin
