2023 WAEC SSCE Physics Past Questions

2023

a. State the function of each of the following parts of a modern x-ray tube: i. heater; ii. high tension source; iii. cooling fins. b. State one reason for each of the following design features of a modern x-ray tube: i.…

2023

ai. Define the electric potential at a point in an electric field. ii. An uncharged body, A, was charged electrostatically by a test charge, B, using the method of induction and the method of contact. State two differen…

2023

ai. Why are parabolic mirrors suitable for use in the headlamps of vehicles? ii. Draw a ray diagram to illustrate the answer in 10(a)(i). bi. State two applications of echoes. ii. An observer s…

2023

a. Define each of the following terms used with simple machines: i. Pivot ii.Load iii. Efficiency. b. A truck of mass 1.2 × \(10^3\) kg is pulled from rest by a constant horizontal force of 25.2N on a leveled road. If th…

2023

ai. State the reason why simple harmonic motion is periodic. ii. State two factors that affect the period of oscillation of a simple pendulum. iii. Sketch a graph of the total mechanical energy, E, against displacemen…

2023

a. What is fibre optics? b. State two reasons why optical fibres are preferred to copper cables in the telecommunication industry.

2023

a. State one difference between an intrinsic and an extrinsic semiconductor. b. Draw a circuit diagram to illustrate full wave smoothing rectification.

2023

a. Using the kinetic theory, explain the term diffusion of fluid molecules. b. Name one phenomenon that demonstrates that light behaves as a: i. wave ii. particles

2023

State three differences between geostationary satellites and polar satellites.

2023

a. A projectile is fired at an angle, θ, to the horizontal with velocity, u. Show that at any time, t, during the motion, the: i. horizontal component of the velocity is independent of t; ii. vertical component of the ve…

2023

a. Define strain energy. b. Write an expression for the energy stored, E, in a stretched wire of original length, l , cross-sectional area, A, extension, e, and Young's modulus, Y, of the material of the wire.

2023

The force, F, acting on the wings of an aircraft moving through the air of velocity, v, and density, ρ, is given by the equation F = \(kv^xρ^yA^z\), where k is a dimensionless constant and A is the surface area of the wi…

2023

The purpose of commutators in a direct current motor is to

2023

The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar

2023

Which of the following devices is associated with alternating currents only?

2023

Which of the following equations is not a correct mirror formula? [The symbols have their usual meanings]

2023

Which part of the human eye performs the same function as the diaphragm in a lens camera?

2023

Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as much as Compared to A, B travels

2023

2023 WAEC SSCE Physics Past Questions

a. State the function of each of the following parts of a modern x-ray tube: i. heater; ii. high tension source; iii. cooling fins. b. State one reason for each of the following design features of a modern x-ray tube: i.…

ai. Define the electric potential at a point in an electric field. ii. An uncharged body, A, was charged electrostatically by a test charge, B, using the method of induction and the method of contact. State two differen…

ai. Why are parabolic mirrors suitable for use in the headlamps of vehicles? ii. Draw a ray diagram to illustrate the answer in 10(a)(i). bi. State two applications of echoes. ii. An observer s…

a. Define each of the following terms used with simple machines: i. Pivot ii.Load iii. Efficiency. b. A truck of mass 1.2 × \(10^3\) kg is pulled from rest by a constant horizontal force of 25.2N on a leveled road. If th…

ai. State the reason why simple harmonic motion is periodic. ii. State two factors that affect the period of oscillation of a simple pendulum. iii. Sketch a graph of the total mechanical energy, E, against displacemen…

a. What is fibre optics? b. State two reasons why optical fibres are preferred to copper cables in the telecommunication industry.

a. State one difference between an intrinsic and an extrinsic semiconductor. b. Draw a circuit diagram to illustrate full wave smoothing rectification.

a. Using the kinetic theory, explain the term diffusion of fluid molecules. b. Name one phenomenon that demonstrates that light behaves as a: i. wave ii. particles

State three differences between geostationary satellites and polar satellites.

a. A projectile is fired at an angle, θ, to the horizontal with velocity, u. Show that at any time, t, during the motion, the: i. horizontal component of the velocity is independent of t; ii. vertical component of the ve…

a. Define strain energy. b. Write an expression for the energy stored, E, in a stretched wire of original length, l , cross-sectional area, A, extension, e, and Young's modulus, Y, of the material of the wire.

The force, F, acting on the wings of an aircraft moving through the air of velocity, v, and density, ρ, is given by the equation F = \(kv^xρ^yA^z\), where k is a dimensionless constant and A is the surface area of the wi…

The purpose of commutators in a direct current motor is to

The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar

Which of the following devices is associated with alternating currents only?

Which of the following equations is not a correct mirror formula? [The symbols have their usual meanings]

Which part of the human eye performs the same function as the diaphragm in a lens camera?

Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as much as Compared to A, B travels

Two objects, A and B, accelerate from rest at uniform rates. B accelerates twice as much as Compared to A, B travels

When an electron jumps directly from an orbit of n = 4 to n = 2,