2023 WAEC (WASSCE) Physics Past Questions

The total possible combinations of the input variables for a logic gate containing three input variables is

1. A.A. 3
2. B.B. 4
3. C.C. 8✓ Correct
4. D.D. 12

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences. It was on Wednesday that we met in Accra.............?

1. A.wasn't it
2. B.didn't we
3. C.haven't we✓ Correct
4. D.isn't it

The length of the diagonal of a square is 12 cm. Calculate the area of the square.

1. A.$36 cm^2$
2. B.$48 cm^2$
3. C.$72 cm^2$
4. D.$18 cm^2$✓ Correct

The graph represents the relation y = x$^2$ - 3x - 3. What is the equation of the line of symmetry of the graph?

1. A.y = 0.5
2. B.x = 1.0✓ Correct
3. C.x = 1.5
4. D.y = 4.6

It is a state of

1. A.deception✓ Correct
2. B.ignorance
3. C.illusion
4. D.innocence

Which of the following is not a factors of 2p$^2$ - 2?

1. A.2
2. B.p - 1
3. C.p + 1✓ Correct
4. D.2p - 2
5. E.2p + 1

The positions of two countries P and Q are (15°N, 12°E) and (65°N, 12°E) respectively. What is the difference in latitude?

1. A.104o
2. B.100o
3. C.80o
4. D.50o✓ Correct
5. E.24o

How many isotopes has hydrogen?

1. A.2✓ Correct
2. B.3
3. C.4
4. D.5

The graph above represents the growth pattern of an animal. Which of the following groups of animals shows this pattern of growth?

1. A.Cestoda✓ Correct
2. B.Reptilia
3. C.Amphibia
4. D.Insecta

Which of the following statements about parallel plate capacitors is/are correct? I. Capacitance of the capacitor  is inversely proportional to the distance between the plates II. Capacitors can filter a.c signals from d.c  III. Capacitors can store charges

1. A.I only
2. B.I and II only
3. C.II and III only✓ Correct
4. D.I, II and III