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JAMB UTME Physics 2022 past questions and answers

This 2022 JAMB UTME Physics set has 40 practice questions. Try these 5 free sample questions, tap a question to reveal the answer and explanation. Then practise the whole 2022 set with instant marking.

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Sample JAMB UTME Physics 2022 questions

1. A hydraulic press has a small piston of area 0.02 m^2 and a large piston of area 0.50 m^2. If a force of 40 N is applied to the small piston, what force is exerted by the large piston?
  1. 40 N
  2. 1000 N
  3. 20 N
  4. 500 N

Answer: B. 1000 N

By Pascal's principle, F2/F1 = A2/A1, so F2 = 40 x 0.50/0.02 = 1000 N.

2. A metal sample has a mass of 540 g and a volume of 200 cm^3. What is its density?
  1. 0.37 g/cm^3
  2. 1.7 g/cm^3
  3. 2.7 g/cm^3
  4. 108 g/cm^3

Answer: C. 2.7 g/cm^3

Density = mass/volume = 540/200 = 2.7 g/cm^3.

3. How much heat is required to raise the temperature of 0.50 kg of water by 15 K? (Specific heat capacity of water = 4000 J kg^-1 K^-1.)
  1. 3000 J
  2. 12 000 J
  3. 120 000 J
  4. 30 000 J

Answer: D. 30 000 J

Using Q = mcΔT gives Q = 0.50 x 4000 x 15 = 30 000 J.

4. A 0.20 kg copper block with specific heat capacity 400 J kg^-1 K^-1 is heated through 20 K. How much energy does it gain?
  1. 1600 J
  2. 4000 J
  3. 800 J
  4. 40 J

Answer: A. 1600 J

The heat gained is Q = mcΔT = 0.20 x 400 x 20 = 1600 J.

5. A fixed mass of gas is kept at constant volume. If its absolute temperature is doubled, what happens to its pressure?
  1. It is halved
  2. It is doubled
  3. It is unchanged
  4. It is quadrupled

Answer: B. It is doubled

At constant volume, the pressure of a fixed mass of gas is directly proportional to its absolute temperature.

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