POST UTME SUMMIT UNIVERSITY 2025 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A light ray passes from air into a glass block with a re\fractive index of 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 30°
C. 40°
D. 50°
Question 2
A 3.0 µF capacitor is connected in parallel with a 6.0 µF capacitor. What is the equivalent capaci\tance?
A. 4.0 µF
B. 6.0 µF
C. 8.0 µF
D. 9.0 µF
Question 3
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 60° above the horizontal. If air resis\tance is neglected, what is the maximum height reached by the projectile?
A. 8 m
B. 10 m
C. 10.4 m
D. 12 m
Question 4
A 10 V battery is connected to a 2 Ω resistor and a 4 Ω resistor in series. What is the current flowing through the circuit?
A. 2 A
B. 4 A
C. 6 A
D. 8 A
Question 5
A beam of light passes through a prism and is re\fracted. If the angle of incidence is 30° and the angle of re\fraction is 20°, what is the angle of deviation?
A. 10°
B. 20°
C. 30°
D. 40°
Question 6
A block of mass 5 kg is placed on a frictionless surface. A force of 20 N is applied to the block, cau\sing it to accelerate. What is the acceleration of the block?
A. 2 m/s²
B. 4 m/s²
C. 6 m/s²
D. 8 m/s²
Question 7
A 5 kg block is attached to a horizontal, massless spring with a force cons\tant of 200 N/m. If the block is displaced by 2 m from its equilibrium position and released from rest, what is the maximum speed of the block?
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 8
A simple harmonic motion has a maximum displacement of 2 m and a period of 4 s. What is its angular frequency?
A. 0.5 rad/s
B. 1 rad/s
C. 1.5 rad/s
D. 2 rad/s
Question 9
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. 10 N
C. 12 N
D. 16 N
Question 10
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the particle experiences a centripetal force of 10 N, what is its angular velocity?
A. 5 rad/s
B. 10 rad/s
C. 20 rad/s
D. 50 rad/s
Question 11
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 experiences a centripetal acceleration of 2 m/s^2, what is the magnitude of the net force acting on the particle?
A. 4 N
B. 6 N
C. 8 N
D. 10 N
Question 12
A wave has a frequency of 200 Hz and a wavelength of 0.5 m. What is its speed?
A. 100 m/s
B. 200 m/s
C. 300 m/s
D. 400 m/s
Question 13
A particle of mass $m$ is moving in a circular path of radius $R$ with a cons\tant speed $v$. What is the magnitude of the centripetal acceleration $a_c$?
A. \frac{v^2}{R}
B. \frac{2v^2}{R}
C. \frac{3v^2}{R}
D. \frac{4v^2}{R}
Question 14
A wave of frequency $f$ and amplitude $A$ is traveling through a medium with speed $v$. If the wave is reflected off a fixed \end, what is the resulting amplitude $A'$?
A. \frac{A}{2}
B. \frac{A}{3}
C. \frac{A}{4}
D. \frac{A}{5}
Question 15
A solid sphere of radius $R$ is made of a material with a Young's modulus of $Y$. If a force $F$ is applied \tangentially to the sphere's surface, what is the resulting angular displacement $\theta$ in radians?
A. π/6
B. π/4
C. π/3
D. π/2

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