POST UTME KSU 2024 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in parallel. What is the total resis\tance of the circuit?
A. 2 Ω
B. 4 Ω
C. 6 Ω
D. 8 Ω
Question 2
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 force acting on the particle?
A. 8 N
B. 16 N
C. 32 N
D. 64 N
Question 3
A block of mass 5 kg is moving with a velocity of 10 m/s. If it is subjected to a force of 20 N, what is the acceleration of the block?
A. 0.2 m/s^2
B. 0.4 m/s^2
C. 0.6 m/s^2
D. 0.8 m/s^2
Question 4
A capacitor of capaci\tance 10 μF is connected to a 12 V battery. What is the charge stored on the capacitor?
A. 0.12 C
B. 0.24 C
C. 0.36 C
D. 0.48 C
Question 5
A wave has a frequency of 20 Hz and a wavelength of 0.5 m. What is the speed of the wave?
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Question 6
A parallel plate capacitor has a capaci\tance of 10 μF and is charged to a potential difference of 12 V. If the dis\tance between the plates is doubled, what is the new potential difference?
A. 6 V
B. 8 V
C. 10 V
D. 12 V
Question 7
A parallel plate capacitor has a capaci\tance of 2 μF and is charged to a potential difference of 10 V. If a dielectric slab of thickness 0.5 mm and relative permittivity 4 is inserted between the plates, what is the new capaci\tance?
A. 4 μF
B. 8 μF
C. 12 μF
D. 16 μF
Question 8
A radioactive sample has a half-life of 5 years. If the initial activity is 100 Bq, what is the activity after 10 years?
A. 12.5 Bq
B. 25 Bq
C. 50 Bq
D. 100 Bq
Question 9
A light ray passes through a prism of angle $\theta$ and is re\fracted at an angle $\phi$. If the prism has a re\fractive index $n$, what is the angle of deviation $\delta$?
A. \sin^{-1}\( \frac{n\sin\phi}{\sin\theta} \)
B. \sin^{-1}\( \frac{n\sin\theta}{\sin\phi} \)
C. \sin^{-1}\( \frac{n\sin\phi}{\cos\theta} \)
D. \sin^{-1}\( \frac{n\sin\theta}{\cos\phi} \)
Question 10
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 force of 12 N, what is the magnitude of the acceleration of the particle?
A. 10 m/s^2
B. 12 m/s^2
C. 15 m/s^2
D. 20 m/s^2
Question 11
A light wave has a frequency $f$ and a wavelength $\lambda$. If the wave is traveling through a medium with re\fractive index $n$, what is its speed $v$?
A. \frac{c}{n}
B. \frac{c}{\lambda}
C. \frac{f}{n}
D. \frac{f\lambda}{n}
Question 12
A magnetic field has a strength of 0.5 T and a direction that is perp\endicular to the plane of the page. If a current of 2 A is flowing in a wire that is parallel to the magnetic field, what is the magnitude of the force on the wire?
A. 0.5 N
B. 1.0 N
C. 1.5 N
D. 2.0 N
Question 13
A sound wave has a frequency of 200 Hz and a wavelength of 0.5 m. If the speed of sound is 340 m/s, what is the amplitude of the wave?
A. 0.1 m
B. 0.2 m
C. 0.3 m
D. 0.4 m
Question 14
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 force of 12 N, what is the magnitude of the force?
A. 8 N
B. 12 N
C. 16 N
D. 20 N
Question 15
A particle of mass 1 kg is confined to a one-dimensional box of length 1 m. What is the ground-state energy of the particle?
A. 6.025 \times 10^{-34} J
B. 1.21 \times 10^{-34} J
C. 2.42 \times 10^{-34} J
D. 4.83 \times 10^{-34} J

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Help others prepare! Share this practice hub: