Physics WAEC Questions 2020/2021 | Physics Objective and Theory Questions
Physics WAEC Questions , Physics WAEC Questions 2020 | In this Exam question section on Physics examination, I will be showing you past Physics objective and theory random repeated questions for free. You will also understand how WAEC Physics questions are set and many more examination details. All you need to do is to stay focus and follow this guide…
INSTRUCTION: Answer all questions -Physics WAEC Questions 2020/2021| Physics Objective and Theory Questions
SECTION A:
1.
All of these are scalar quantities except (a) Temperature (b) Speed (c) Momentum (d) Distance
2. The S.I unit of acceleration due to gravity is _____
3. A mango fruit drops to the ground from the top of its tree which is 10m high. How long does it take to reach the ground? (a) 2.5 sec. (b) 10 sec. (c) 2.2 sec (d) 2 sec.
4. For a projectile, the maximum range is obtained when the angle of projection is (a) 300 (b) 900 (c) 450 (d) 600
5. The single force which acting alone will have the same effect in magnitude and direction as two or more forces acting together is called ____
6. The S.I unit of momentum is (a) NM (b) m/s (c) KM/J (d) M2
7. The 3rd equation of motion is given by _____ (a) V = U + 1/2 at2 (b) V2 + U2 (c) V = U + at (d) V2 = U2 + 2as
8. The examples of stable equilibrium are; except (a) A cone resting on its base (b) A ball in the middle of a bowl (c) An egg resting on its side (d) A racing car with lo C. G and wide base
9. Which of the following is not a vector quantity? (a) Speed (b) Acceleration (c) Electric field (d) Force
10. The slope of a straight line displacement time graph indicates ____ (a) Uniform speed (b) Uniform acceleration (c) Distance (d) Uniform Velocity
SECTION B: THEORY
Instruction: Answer any four questions you know
1. A projectile is first with initial velocity of 80 m/s at angle of 300 with the horizontal. Calculate
(a) Time of flight (b) The Maximum height (c) The range
2. Define the following with 4 examples each
(i) Scalar quantities (ii) Vector quantities
3. Define the following
(i) Stable equilibrium (ii) Centre of gravity (iii) Velocity
4(i). Calculate the time it takes a piece of stone thrown vertically upwards with a velocity 20 m/s, to reach its maximum height. [g = 10m/s2]
ii. Differentiate between speed and velocity
5. State the principle of moment
ii. If a force P of 40N acts in the direction due East and another force Q of 30N acts in the direction due North, calculate the resultant of these two forces.
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