POST UTME LEAD CITY UNIVERSITY 2017 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
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 speed of the particle.
A. 0.2 m/s
B. 2 m/s
C. 4 m/s
D. 6 m/s
Question 2
A 100 W light bulb is connected to a 120 V power source. What is the current drawn by the bulb?
A. 0.50 A
B. 1.0 A
C. 2.0 A
D. 4.0 A
Question 3
A coil of wire is placed in a time-varying magnetic field. If the magnetic flux through the coil is increa\sing, what is the direction of the induced current in the coil?
A. Clockwise
B. Counterclockwise
C. No current
D. Dep\ends on the orientation of the coil
Question 4
A 50 kg block is pulled up a 10 m long ramp at a cons\tant speed. If the force applied to the block is 100 N, what is the work done on the block?
A. 500 J
B. 1000 J
C. 2000 J
D. 5000 J
Question 5
A \tank contains 100 L of water at a temperature of 20°C. If 10 L of water at 80°C is added to the \tank, what is the final temperature of the water in the \tank?
A. 22°C
B. 25°C
C. 28°C
D. 30°C
Question 6
A 100 W light bulb is connected to a 220 V power source. If the resis\tance of the bulb is 50 Ω, calculate the current flowing through the bulb.
A. 0.5 A
B. 1 A
C. 2 A
D. 4 A
Question 7
A sound wave with a frequency of 200 Hz is traveling through a medium with a speed of 340 m/s. What is the wavelength of the sound wave?
A. 1.7 m
B. 1.7 cm
C. 1.7 km
D. 1.7 μm
Question 8
A circuit consists of a 12 Ω resistor, a 20 Ω resistor, and a 10 Ω resistor connected in series. If a voltage of 24 V is applied across the circuit, what is the current flowing through the circuit?
A. 0.5 A
B. 1 A
C. 2 A
D. 4 A
Question 9
A wave function is given by ψ(x) = Ae^\( i\( kx - ωt \ \)). If the wave number is 2π rad/m and the angular frequency is 3π rad/s, what is the frequency of the wave?
A. 1 Hz
B. 2 Hz
C. 3 Hz
D. 4 Hz
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 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 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 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. 24 N
Question 12
A parallel plate capacitor consists of two plates, each of area 0.1 m^2, separated by a dis\tance of 0.01 m. The capacitor is charged to a potential difference of 10 V. What is the capaci\tance of the capacitor?
A. 0.01 F
B. 0.1 F
C. 1 F
D. 10 F
Question 13
A magnetic field of magnitude 0.5 T is directed perp\endicular to the plane of a circular loop of radius 0.2 m. The loop is carrying a current of 2 A. What is the magnitude of the torque acting on the loop?
A. 0.1 Nm
B. 0.2 Nm
C. 0.3 Nm
D. 0.4 Nm
Question 14
A photon of energy 2.5 eV is incident on a metal surface with a work function of 2 eV. Calculate the maximum kinetic energy of the photoelectron.
A. 0.5 eV
B. 1 eV
C. 1.5 eV
D. 2 eV
Question 15
A 2 kg block is attached to a horizontal spring with a force cons\tant of 100 N/m. The block is displaced by 0.5 m from its equilibrium position and released from rest. What is the maximum speed of the block?
A. 1 m/s
B. 2 m/s
C. 5 m/s
D. 10 m/s

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: