Post Utme Physics Past Questions and Answers

Question 1021:

A simple pendulum makes 50 oscillations in one minute.
What is the period of oscillation?

A. \(0.02 s\)
B. 0.20s
C. \(0.83 s\)
D. \(1.20 s \)
E. \(50.00 s\)

Question 1022:

A girl whose mass is \(55 kg\) stands on a spring-weighing machine inside a lift. When the lift starts to ascend, its acceleration is \(2 ms ^{-2}\).
What will be the reading on the machine?
(Take \(g =10 ms s ^{\prime}\) )

A. \(66 kg\)
B. \(55 kg\)
C. \(44 kg\)
D. \(22 kg\)
E. \(11 kg\)

Question 1023:

A boy pulls a nail from a wall with a string tied to the nail.
The string is inclined at an angle of \(60^{\circ}\) to the wall.
If the tension in the string is \(4 N\).
what is the effective force used in pulling the nail?

A. 2 N
B. \(2 \sqrt{3} N\)
C. 4 N
D. \(4 \sqrt{ 3} N\)
E. 8 N

Question 1024:

Which of the following is not a vector quantity?

A. Momentum
B. Force
C. Velocity
D. Temperature
E. Displacement

Question 1025:

A real image of an object formed by a converging lens of focal length \(15 cm\) is three time the size of the object.
What is the distance of the object from the lens?

A. 30 cm
B. 25 cm
C. 20 cm
D. 15 cm
E. 10 cm