POST UTME MADONNA UNIVERSITY 2019 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A simple p\endulum of length 1 m is released from rest at an angle of 30° from the vertical. If the p\endulum is released at a location where the acceleration due to gravity is 9.8 m/s^2, what is the time period of the p\endulum?
A. 2 s
B. 3 s
C. 4 s
D. 5 s
Question 2
A block of mass 5 kg is moving with a speed of 2 m/s on a frictionless surface. If a force of 10 N is applied perp\endicular to its motion, what is its new speed?
A. 2.5 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 3
A block of mass 5 kg is attached to a horizontal, massless spring with a force cons\tant of 200 N/m. The block is displaced by 0.2 m from its equilibrium position and released from rest. Assuming the block undergoes simple harmonic motion, calculate the maximum speed of the block.
A. 2 m/s
B. 4 m/s
C. 6 m/s
D. 8 m/s
Question 4
A 5 kg block is moving with a velocity of 10 m/s. What is its kinetic energy?
A. 250 J
B. 500 J
C. 750 J
D. 1000 J
Question 5
A projectile is launched from the ground with an initial velocity of 20 m/s at an angle of 60° above the horizontal. If the projectile lands 10 m away from the point of launch, what is the time of flight?
A. 1.5 s
B. 2.0 s
C. 2.5 s
D. 3.0 s
Question 6
A parallel plate capacitor has a capaci\tance of 10 μF. If a potential difference of 20 V is applied across it, what is the charge stored on each plate?
A. 0.2 C
B. 0.4 C
C. 0.8 C
D. 1.6 C
Question 7
A light ray passes from air into a glass slab of re\fractive index 1.5. If the angle of incidence is 30°, what is the angle of re\fraction?
A. 20°
B. 25°
C. 30°
D. 35°
Question 8
A wave of wavelength 0.5 m and frequency 20 Hz is traveling through a medium. If the wave has an amplitude of 0.1 m, what is the intensity of the wave?
A. 0.01 W/m^2
B. 0.05 W/m^2
C. 0.10 W/m^2
D. 0.20 W/m^2
Question 9
A parallel plate capacitor consists of two plates, each of area 0.04 m^2, separated by a dis\tance of 0.02 m. The capacitor is charged to a potential difference of 10 V. Calculate the capaci\tance of the capacitor.
A. 1.25 x 10^-10 F
B. 2.5 x 10^-10 F
C. 5 x 10^-10 F
D. 10 x 10^-10 F
Question 10
A magnetic field of 0.5 T is applied to a wire of length 2 m and cross-sectional area 0.01 m^2. The wire carries a current of 5 A. Calculate the force experienced by the wire.
A. 0.25 N
B. 0.5 N
C. 1 N
D. 2 N
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. What is the magnitude of the centripetal acceleration of the particle?
A. 8 m/s^2
B. 16 m/s^2
C. 32 m/s^2
D. 64 m/s^2
Question 12
A particle of mass $m$ is attached to a spring with spring cons\tant $k$. The particle is displaced by a dis\tance $x_0$ from its equilibrium position and released from rest. Assuming the motion is simple harmonic, find the angular frequency of the particle's motion.
A. \frac{1}{\sqrt{mk}}
B. \sqrt{mk}
C. \frac{k}{m}
D. \frac{m}{k}
Question 13
A nucleus of mass number 238 and atomic number 92 undergoes \alpha decay. What is the mass number of the daughter nucleus?
A. 234
B. 236
C. 238
D. 240
Question 14
A wave has a frequency of 50 Hz and a wavelength of 20 m. What is the speed of the wave?
A. 1000 m/s
B. 2000 m/s
C. 3000 m/s
D. 4000 m/s
Question 15
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 force acting on the particle?
A. 10 N
B. 12 N
C. 16 N
D. 20 N

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