JAMB UTME 2024
JAMB Physics 2024 past questions
5 objective questions from the 2024 JAMB Physics paper. Answer each one, then reveal the answer and explanation.
Question 1
WavesA wave of frequency 250 Hz has a wavelength of 0.25 m. Find its speed.
- Option A: 1000 m/s
- Option B: 62.5 m/s
- Option C: 0.001 m/s
- Option D: 125 m/s
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Answer: B, 62.5 m/s
v = fλ = 250 × 0.25 = 62.5 m/s.
Question 2
DensityA sample of mass 395.5 g occupies a volume of 35 cm³. Calculate its density.
- Option A: 0.09 g/cm³
- Option B: 113 g/cm³
- Option C: 11.3 g/cm³
- Option D: 5.65 g/cm³
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Answer: C, 11.3 g/cm³
Density = mass ÷ volume = 395.5 ÷ 35 = 11.3 g/cm³.
Question 3
Current electricityA potential difference of 3.5 V is applied across a 7 Ω resistor. Find the current that flows.
- Option A: 24.5 A
- Option B: 2 A
- Option C: 1 A
- Option D: 0.5 A
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Answer: D, 0.5 A
By Ohm's law, I = V ÷ R = 3.5 ÷ 7 = 0.5 A.
Question 4
PressureA force of 300 N acts on an area of 2 m². Find the pressure exerted.
- Option A: 150 Pa
- Option B: 600 Pa
- Option C: 75 Pa
- Option D: 300 Pa
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Answer: A, 150 Pa
Pressure = force ÷ area = 300 ÷ 2 = 150 Pa.
Question 5
Units and measurementWhat is the SI unit of force?
- Option A: Joule
- Option B: Watt
- Option C: Newton
- Option D: Pascal
Show the answerHide the answer to question 5
Answer: C, Newton
Force is measured in newtons (N).
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