2024 WAEC Physics Questions and Answers Expo

Waec gce questions and answers-2022

2024 WAEC Physics Questions and Answers Expo

Take note that the answers below are the answers to 2024 WAEC physics questions. To Get 2024 WAEC Physics Questions and Answers, all you have to do is message us on WhatsApp @+234(0)-9032347323.

2024 WAEC Physics OBJ Questions and Answers

01-10: BCBBBDDCDA

11-20: CCBDBDBDAD

21-30: ABCDBDDBDA

31-40: BCBBCBACCD

41-50: DCBADBDBCD

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2024 WAEC Physics ESSAY Questions and Answers

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2023 WAEC Questions and Answers

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Question (1) of 2024 WAEC physics questions and answers

Range /PQ/ = u²sin2θ/g

u = 250ms-¹

θ =42°

= [250² x sin(2×42°)]/10

= (62,500 x sin84°)/10

= 6250 x 0.9945

= 6215.63m

 

WAEC 2024 Physics questions and answers to No (2) Essay

(i) They are pure semiconductors with impurities less than 1 and have teravalent crystals

(ii) Presence of mobile charge carriers is intrinsic property of material

(iii) No doping or addition of impurities required.

 

No (4) WAEC physics Essay Questions 2024

F = 50N

k = 100Nm-¹

F = ke

50 = 100e

e = 50/100 = 0.5m

Work done = (1/2)ke²

= 1/2 x 100 x 0.5²

= 25/2

= 12.5joules

 

(5a)

A geostationary satellite is an earth orbiting satellite placed at an altitude of approximately 35,800km directly over the equator that revolves in the same direction which the earth rotates.

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WAEC physics Expo (5b)

(i) Gas lasers.

(ii) Solid-state lasers.

 

2024 WAEC Physics Runz No (7) Answers

(i) Magnetic materials are materials having a magnetic domain and are attracted to an external magnetic field WHILE Non-magnetic materials are materials that are not attracted to an external magnetic field.

 

(ii) The magnetic domains of magnetic materials are aligned either parallel or antiparallel arrangements thus they can respond to a magnetic field when they are under the influence of an external magnetic field WHILE The magnetic domains of non-magnetic materials are arranged in a random manner in such a way that the magnetic moments of these domains are cancelled out. Thus, they do not respond to a magnetic field.

 

(iii) Magnetic materials are used to make permanent magnets are the parts of operating systems where magnetic properties are required WHILE Non-magnetic materials are used to make parts of some operating systems where no magnetic effect are expected and other things such as cases of compasses.

2024 WAEC Physics Expo No (8a) / Answers

law of inertia, also called Newton’s first law, postulate in physics that, if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

(8aii) When the car crashes, there is no unbalanced force acting on the person, so they continue forward.

(8bi) MOMENT OF A FORCE is the product of the distance from the point to the point of application of the force and the component of the force.

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Waec gce physics answers

WAEC physics runz (8c)

SOLID FRICTION-
(i) Independent of surface area in contact.
(ii) Depends on normal reaction (of one solid surface on the other).
(iii) occurs between solids surface in contact.
(iv) Independent of relative velocity (between solid surface in contact).

-VISCOSITY-
(i) Depends on surface area in contact.
(ii) Independent of Nomal reaction.
(iii) Occurs between fluid layers / solid and fluid in contact in fluids
(iv) Depends on relative velocity (between fluid layers).

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