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Physics Projectile motion

A bullet fired at an angle 60° with the vertical hits the levelled ground at distance of 200 m. Find the distance at which the bullet will hit the ground when fired at an angle of 30°(with same speed)

Asked Aabhash


Both will have the same range since the angles θ and (90-θ) will result in the same range. For a given speed of projection there are two possible angles of projection to obtain the same range.

West African Examinations Council (WAEC) Physics Detailed Syllabus for Senior Secondary School

You can Download West African Examinations Council (WAEC) Physics Detailed Syllabus for Senior Secondary School here.

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West African Examinations Council (WAEC) Physics Syllabus for Senior Secondary School


There are three papers – papers 1,2,& 3. All the papers are compulsory.

Paper – 1 consists of 50 multiple choice questions carrying 50 marks and the paper is to be finished in 1 hour 15 minutes.

Paper – 2 consists of 2 sections carrying total 60 marks to be completed in 90 minutes. Section I comprises of 7 short-structured questions. Candidates can answer any five and score 15 marks. Section II comprises of five essay questions out of which the candidates can answer any three to get 45 marks.

Paper – 3 Practical test with three questions and the candidates are to answer any two in 2 hr 45 minutes.



SS Physics Syllabus in Nigeria


Section I:

Concepts of Space, Time and Motion 1. Motion 2. Position, distance and displacement 3. Time 4. Speed and velocity 5. Rectilinear and derived units 6. Scalars and vectors 7. Equations of uniformity accelerated motion 8. Projectiles 9. Equilibrium of forces 10. Simple harmonic motion

Section II:

Conservation principles 1. Work, energy and power 2. Heat energy 3. Electric charges 4. Linear momentum 5. Mechanical energy 6. Heat energy i. temperature and its measurement ii. heat energy measurement iii. gas laws


Waves 1. Production and propagation of waves 2. Types of waves 3. Properties of waves 4. Light waves 5. Sound waves 6. Application of light and sound waves i. light waves ii. sound waves 7. Electromagnetic waves


Fields 1. Production and description and property of a field 2. Gravitational field 3. Electric field 4. Magnetic field 5. Electromagnetic field 6. Simple A.C Circuit


Quanta 1. Particulate nature of matter 2. Plastic properties of solids 3. Crystal structure 4. Fluids at rest and in motion 5. Molecular theory of matter 6. Models of the action 7. The nucleus 8. Energy quantization 9. Wave – particle paradox

fluid flow

The window and door of house Are both left open a windy day. The door which opens inward tend to slum shut when it is slightly ajar,.explain

Riya Parekh asked.


This is a consequence of the difference in presure. When there if flow of air, the speed of air outside will be more and therefore the pressure immediately outside the door becomes less than that inside and therefore it gets shut.


Diamagnetic and Paramagnetic Simple Pendulum Time Periods

If we have 3 simple pendulums of different material. One of them is dimagnetic one is paramagnetic and another one is of ferromagnetic material. What type of change in their periodic time they will show, if there masses are identical?

Asked Akshay

The Time period of a simple pendulum does not depend on the material of the bob

current electricity physics

Why is it so that current through external resistance is maximum when total internal resistance of the circuit is equal to external resistance?

Asked Shiny

Please refer to the following

  1. https://en.wikipedia.org/wiki/Maximum_power_transfer_theorem
  2. http://www.allaboutcircuits.com/textbook/direct-current/chpt-10/maximum-power-transfer-theorem/
  3. http://www.electrical4u.com/maximum-power-transfer-theorem/

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