POST UTME IGBINEDION UNIVERSITY 2017 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A parallel plate capacitor has plates of area 0.04 m^2 and separation 0.02 m. If the capaci\tance is 8.0 x 10^-12 F, what is the value of the dielectric cons\tant?
A. 2.0
B. 3.0
C. 4.0
D. 5.0
Question 2
A particle of mass 2 kg is moving in a circular path of radius 3 m with a speed of 4 m/s. What is the magnitude of the centripetal force acting on the particle?
A. 10 N
B. 20 N
C. 30 N
D. 40 N
Question 3
A capacitor consists of two parallel plates, each of area 0.01 m², separated by a dis\tance of 0.001 m. If the dielectric cons\tant of the material between the plates is 3, what is the capaci\tance?
A. 10 nF
B. 20 nF
C. 30 nF
D. 40 nF
Question 4
A wave of frequency 100 Hz and amplitude 0.1 m is traveling through a medium with a speed of 300 m/s. If the wave is reflected from a fixed \end, what is the maximum acceleration of the wave?
A. 10 m/s^2
B. 20 m/s^2
C. 30 m/s^2
D. 40 m/s^2
Question 5
A body of mass 2 kg is moving with a velocity of 5 m/s. What is the work done by the body in moving 10 m?
A. 20 J
B. 30 J
C. 40 J
D. 50 J
Question 6
A parallel plate capacitor has a capaci\tance of $C$ and is charged to a potential difference of $V$. If the dis\tance between the plates is doubled, what is the new capaci\tance?
A. $\frac{C}{2}$
B. $C$
C. $2C$
D. $4C$
Question 7
A sound wave with a frequency of 200 Hz has a wavelength of 1.5 m. What is the speed of the sound wave?
A. 300 m/s
B. 600 m/s
C. 1200 m/s
D. 2400 m/s
Question 8
A capacitor has a capaci\tance of 10^-6 F and is charged to a potential difference of 10 V. What is the energy stored in the capacitor?
A. 10^-5 J
B. 10^-4 J
C. 10^-3 J
D. 10^-2 J
Question 9
A lens has a focal length of 10 cm. What is the magnification of the lens when an object is placed 20 cm in front of it?
A. 0.5
B. 1
C. 2
D. 5
Question 10
A wave has a frequency of 100 Hz and a wavelength of 0.1 m. Calculate the speed of the wave.
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Question 11
A parallel plate capacitor has a capaci\tance of $C$ and is charged to a potential difference of $V$. If the dis\tance between the plates is doubled, what is the new potential difference?
A. $\frac{V}{2}$
B. $V$
C. $2V$
D. $4V$
Question 12
A wave has a frequency of 50 Hz and a wavelength of 0.2 m. Calculate the speed of the wave.
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s
Question 13
A sound wave with a frequency of 200 Hz is emitted from a source moving towards a stationary observer. If the speed of sound in air is 343 m/s, what is the apparent frequency heard by the observer?
A. 220 Hz
B. 240 Hz
C. 260 Hz
D. 280 Hz
Question 14
A circuit consists of a 2 Ω resistor and a 3 Ω resistor connected in parallel. If a voltage of 6 V is applied across the circuit, what is the current through the 2 Ω resistor?
A. 1 A
B. 2 A
C. 3 A
D. 4 A
Question 15
A particle of mass 2 kg is attached to a spring with a spring cons\tant of 100 N/m. It is displaced by 0.2 m from its equilibrium position and released from rest. Assuming the motion is simple harmonic, calculate the maximum kinetic energy of the particle.
A. 0.8 J
B. 1.6 J
C. 2.4 J
D. 3.2 J

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