POST UTME OSUSTECH 2017 Physics | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A 5.0 kg block is moving in a straight line with a velocity of 2.0 m/s. If a force of 10 N is applied to the block in the same direction as its velocity, calculate the acceleration of the block.
A. 0.5 m/s^2
B. 1.0 m/s^2
C. 1.5 m/s^2
D. 2.0 m/s^2
Question 2
A projectile is launched at an angle of 60° above the horizontal with an initial velocity of 20 m/s. If the air resis\tance is negligible, what is the maximum height reached by the projectile?
A. 10 m
B. 15 m
C. 20 m
D. 25 m
Question 3
A capacitor of 10 μF is connected in series with a resistor of 100 Ω. If the voltage across the capacitor is 5 V, what is the current through the resistor?
A. 0.05 A
B. 0.1 A
C. 0.2 A
D. 0.5 A
Question 4
A wave with a frequency of 50 Hz and a wavelength of 2 m is traveling through a medium. What is the speed of the wave?
A. 100 m/s
B. 200 m/s
C. 300 m/s
D. 400 m/s
Question 5
A projectile is launched from the ground with an initial velocity $v_0$ at an angle $\theta$ above the horizontal. The projectile's range $R$ is given by $R = \frac{v_0^2 \sin 2\theta}{g}$. If the initial velocity is doubled to $2v_0$, what is the new range $R_{new}$?
A. \frac{\( 2v_0 \)^2 \sin 2\theta}{g}
B. \frac{v_0^2 \sin 2\theta}{g}
C. \frac{v_0^2 \sin 2\theta}{2g}
D. \frac{v_0^2 \sin 2\theta}{4g}
Question 6
A particle of mass 0.2 kg is moving in a circular path with a radius of 0.5 m. If the particle has a speed of 2 m/s, what is its centripetal acceleration?
A. 1.0 m/s^2
B. 2.0 m/s^2
C. 5.0 m/s^2
D. 10.0 m/s^2
Question 7
A particle of mass 2 kg is moving in a circular path with a radius of 3 m. If the particle's speed is 4 m/s, what is the magnitude of the centripetal acceleration?
A. 4 m/s^2
B. 6 m/s^2
C. 8 m/s^2
D. 10 m/s^2
Question 8
A wave has a frequency of 50 Hz and a wavelength of 0.2 m. What is its speed?
A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/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 subject to a centripetal force of 12 N, what is the magnitude of the acceleration of the particle?
A. 2 m/s^2
B. 4 m/s^2
C. 6 m/s^2
D. 8 m/s^2
Question 10
A sound wave with a frequency of 200 Hz and a speed of 340 m/s is traveling through a medium. What is the wavelength of the wave?
A. 1.7 m
B. 1.8 m
C. 1.9 m
D. 2 m
Question 11
A circuit consists of a resistor $R_1$ and an inductor $L$ connected in series. The circuit is driven by a voltage source $V(t) = V_0 \sin omega t$. The impedance $Z$ of the circuit is given by $Z = \sqrt{R_1^2 + (L omega)^2}$. If the resis\tance $R_1$ is doubled to $2R_1$, what is the new impedance $Z_{new}$?
A. \sqrt{\( 2R_1 \)^2 + (L omega)^2}
B. \sqrt{R_1^2 + (L omega)^2}
C. \sqrt{\( 2R_1 \)^2 + (2L omega)^2}
D. \sqrt{R_1^2 + (2L omega)^2}
Question 12
A block of mass 5 kg is attached to a horizontal spring with a spring cons\tant of 200 N/m. If the block is displaced by 0.2 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 13
A particle of mass $m$ is moving in a circular path of radius $r$ with a cons\tant speed $v$. The particle experiences a centripetal force $F_c$ given by $F_c = \frac{mv^2}{r}$. If the particle's speed is doubled to $2v$, what is the new centripetal force $F_{c,new}$?
A. \frac{m(2v)^2}{r}
B. \frac{m(2v)^2}{2r}
C. \frac{m(2v)^2}{4r}
D. \frac{m(2v)^2}{8r}
Question 14
A gas is heated from 20°C to 80°C at cons\tant volume. If the initial pressure is 1 atm, what is the final pressure?
A. 1 atm
B. 2 atm
C. 3 atm
D. 4 atm
Question 15
A light ray passes through a convex lens with a focal length of 0.2 m. If the object dis\tance is 0.5 m, calculate the image dis\tance.
A. 0.1 m
B. 0.2 m
C. 0.3 m
D. 0.4 m

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: