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JAMB UTME 2019

JAMB Physics 2019 past questions

6 objective questions from the 2019 JAMB Physics paper. Answer each one, then reveal the answer and explanation.

All JAMB Physics past questions

  1. Question 1

    Work and energy

    Calculate the kinetic energy of a 5 kg body moving at 10 m/s.

    1. Option A: 500 J
    2. Option B: 25 J
    3. Option C: 50 J
    4. Option D: 250 J
    Show the answer to question 1

    Answer: D, 250 J

    KE = ½mv² = ½ × 5 × 10² = 250 J.

  2. Question 2

    Pressure

    A force of 800 N acts on an area of 8 m². Find the pressure exerted.

    1. Option A: 6,400 Pa
    2. Option B: 50 Pa
    3. Option C: 200 Pa
    4. Option D: 100 Pa
    Show the answer to question 2

    Answer: D, 100 Pa

    Pressure = force ÷ area = 800 ÷ 8 = 100 Pa.

  3. Question 3

    Density

    A sample of mass 27 g occupies a volume of 10 cm³. Calculate its density.

    1. Option A: 0.37 g/cm³
    2. Option B: 27 g/cm³
    3. Option C: 2.7 g/cm³
    4. Option D: 1.35 g/cm³
    Show the answer to question 3

    Answer: C, 2.7 g/cm³

    Density = mass ÷ volume = 27 ÷ 10 = 2.7 g/cm³.

  4. Question 4

    Units and measurement

    Which of the following is a vector quantity?

    1. Option A: Velocity
    2. Option B: Speed
    3. Option C: Mass
    4. Option D: Energy
    Show the answer to question 4

    Answer: A, Velocity

    Velocity has both magnitude and direction.

  5. Question 5

    Heat

    How much heat is needed to raise the temperature of 2 kg of aluminium by 20 °C? (Specific heat capacity of aluminium = 900 J/kg K.)

    1. Option A: 36,000 J
    2. Option B: 18,000 J
    3. Option C: 1,800 J
    4. Option D: 72,000 J
    Show the answer to question 5

    Answer: A, 36,000 J

    Q = mcΔθ = 2 × 900 × 20 = 36,000 J.

  6. Question 6

    Motion

    A car starts from rest and accelerates uniformly at 3 m/s² for 7 s. What is its final velocity?

    1. Option A: 24 m/s
    2. Option B: 21 m/s
    3. Option C: 3 m/s
    4. Option D: 42 m/s
    Show the answer to question 6

    Answer: B, 21 m/s

    Use v = u + at = 0 + 3 × 7 = 21 m/s.

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