POST UTME IMS U 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A parallel plate capacitor has a capaci\tance of 10 μF. If a potential difference of 50 V is applied across the plates, what is the charge stored on the capacitor?
A. 2.5 μC
B. 5 μC
C. 10 μC
D. 20 μC
Question 2
A particle of mass 3 kg is moving in a straight line with an initial velocity of 5 m/s. If the particle is subjected to a force of 2 N for 2 seconds, what is the final velocity of the particle?
A. 6 m/s
B. 7 m/s
C. 8 m/s
D. 9 m/s
Question 3
A 100 W bulb is connected to a 230 V AC supply. If the bulb is rated for 10 A, calculate the power factor of the bulb.
A. 0.5
B. 0.7
C. 0.9
D. 1.0
Question 4
A particle of mass 2 kg is moving in a circular path of radius 3 m with a cons\tant speed of 4 m/s. If the particle is subjected to a centripetal acceleration of 2 m/s^2, what is the magnitude of the net force acting on the particle?
A. 8 N
B. 10 N
C. 12 N
D. 16 N
Question 5
A 10 V battery is connected to a 2 Ω resistor. What is the current flowing through the resistor?
A. 2 A
B. 4 A
C. 5 A
D. 10 A
Question 6
A radioactive sample has a half-life of 5 years. If the initial activity is 100 Bq, calculate the activity after 10 years.
A. 25 Bq
B. 50 Bq
C. 75 Bq
D. 100 Bq
Question 7
A force of 10 N is applied to an object of mass 5 kg. What is the acceleration of the object?
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
Question 8
A circuit consists of a $10\Omega$ resistor, a $20\Omega$ resistor, and a $5\Omega$ resistor connected in series. If a voltage of $12V$ is applied across the circuit, what is the current through the $5\Omega$ resistor?
A. 0.2 A
B. 0.4 A
C. 0.6 A
D. 0.8 A
Question 9
A block of mass 5 kg is placed on a horizontal, frictionless surface. A horizontal force of 10 N is applied to the block, cau\sing it to accelerate. Find the acceleration of the block.
A. 0.5 m/s^2
B. 1 m/s^2
C. 2 m/s^2
D. 5 m/s^2
Question 10
A heat engine operates between a source temperature of 500 K and a \sink temperature of 300 K. If the engine has an efficiency of 30%, calculate the work output per cycle.
A. 100 J
B. 200 J
C. 300 J
D. 400 J
Question 11
A light wave with wavelength $\lambda$ and frequency $f$ is traveling through a medium with speed $v$. If the wave is re\fracted through a surface, what is the angle of re\fraction?
A. \frac{v_2}{v_1} \theta_1
B. \frac{v_1}{v_2} \theta_1
C. \frac{\lambda}{\lambda'} \theta_1
D. \frac{\lambda'}{\lambda} \theta_1
Question 12
A 10 V battery is connected to a 2 Ω resistor in parallel with a 3 Ω resistor. What is the total resis\tance of the circuit?
A. 1.2 Ω
B. 1.5 Ω
C. 1.8 Ω
D. 2.2 Ω
Question 13
A particle of mass 1 kg is moving in a circular path of radius 2 m with a speed of 3 m/s. What is the magnitude of the centripetal force acting on the particle?
A. 4 N
B. 6 N
C. 8 N
D. 10 N
Question 14
A block of mass 5 kg is susp\ended from a spring with spring cons\tant 200 N/m. If the block is displaced by 0.1 m from its equilibrium position, calculate the work done by the spring in bringing the block back to its equilibrium position.
A. 10 J
B. 20 J
C. 30 J
D. 40 J
Question 15
A 12 V battery is connected to a 4 Ω resistor in series with a 6 Ω resistor. What is the current flowing through the 4 Ω resistor?
A. 0.5 A
B. 1 A
C. 1.5 A
D. 2 A

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