POST UTME IGBINEDION UNIVERSITY 2022 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A sound wave with frequency $f$ is traveling through a medium with speed $v$. If the wavelength of the sound wave is $\lambda$, what is the period of the sound wave?
A. f\lambda/v
B. v/\lambda
C. \lambda/v
D. f/v
Question 2
A sound wave has a frequency of 200 Hz and a wavelength of 0.5 m. What is the speed of the wave?
A. 100 m/s
B. 200 m/s
C. 300 m/s
D. 400 m/s
Question 3
A 2 kg object is attached to a horizontal, massless spring with a force cons\tant of 100 N/m. If the object is displaced by 0.5 m from its equilibrium position, determine the magnitude of the force exerted by the spring on the object.
A. 50 N
B. 75 N
C. 100 N
D. 125 N
Question 4
A capacitor consists of two parallel plates of area $A$ and separation $d$. If the capaci\tance of the capacitor is $C$, what is the charge on the plates?
A. CV
B. A/d
C. Cd
D. Ad
Question 5
A particle of mass $m$ is moving in a circular orbit of radius $r$ under the influence of a central force given by $F(r) = k/r^2$, where $k$ is a cons\tant. If the particle's speed is $v$, what is the magnitude of the force acting on the particle?
A. mv^2/r
B. mv^2/r^2
C. k/r
D. k/r^2
Question 6
A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. If the current in the circuit is 2 A, what is the voltage drop across the 6 Ω resistor?
A. 8 V
B. 10 V
C. 12 V
D. 14 V
Question 7
A gas expands from 1.0 L to 2.0 L against a cons\tant external pressure of 2.0 atm. If the initial temperature is 300 K, calculate the final temperature.
A. 350 K
B. 400 K
C. 450 K
D. 500 K
Question 8
A particle of mass $m$ is moving in a straight line with initial velocity $v_0$ and initial position $x_0$. If the particle experiences a cons\tant acceleration $a$, what is the particle's velocity after time $t$?
A. v_0 + at
B. v_0 - at
C. x_0 + v_0t
D. x_0 - v_0t
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 force of 12 N, what is the magnitude of the force?
A. 8 N
B. 12 N
C. 16 N
D. 20 N
Question 10
A photon of wavelength 400 nm is incident on a metal surface. If the work function of the metal is 2.5 eV, calculate the maximum kinetic energy of the emitted electron.
A. 1.5 eV
B. 2.0 eV
C. 2.5 eV
D. 3.0 eV
Question 11
A light ray passes through a lens and is focused. If the object dis\tance is 20 cm and the image dis\tance is 15 cm, what is the focal length?
A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
Question 12
A lens of focal length 20 cm is placed in a converging beam of light. If the object dis\tance is 30 cm, calculate the image dis\tance.
A. 10 cm
B. 20 cm
C. 30 cm
D. 40 cm
Question 13
A charged particle of mass 1 kg and charge 2 C is moving in a magnetic field of strength 0.5 T. If the particle has a velocity of 2 m/s, what is the force acting on it?
A. 0.1 N
B. 0.2 N
C. 0.3 N
D. 0.4 N
Question 14
A 10 Ω resistor is connected in parallel with a 20 Ω resistor. If a 12 V battery is connected across the circuit, determine the current flowing through the 10 Ω resistor.
A. 0.6 A
B. 0.8 A
C. 1 A
D. 1.2 A
Question 15
A circuit consists of a 12 V battery, a 4 Ω resistor, and a 6 Ω resistor connected in series. If the current flowing through the circuit is 1 A, calculate the voltage drop across the 6 Ω resistor.
A. 2 V
B. 3 V
C. 4 V
D. 6 V

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: