Post Utme Physics Past Questions and Answers

Question 906:

Which of the following has the greatest momentum?

A. 0.2kg ball moving at 40m/s
B. 500kg car travelling at 16m/s
C. 2000kg truck travelling at 9m/s
D. S0kg child skateboarding at 4 m/s

Question 907:

What method of heat transfer allows the sun’s heat energy to reach earth through the vacuum of space?

A. Condensation
B. Conduction
C. Convection
D. Radiation

Question 908:

A current of 2A passes through an 8V load. What is the potential difference between the load?

A. 0.25 V
B. 4.0 V
C. 10V
D. 19V

Question 909:

Aman standing 300m away from a wall sounds a whistle, the echo from the wall reaches him 1.8s later. Calculate the velocity of sound in air.

A. 540.0 ms"?
B. 333.3 ms
C. 270.0 ms?
D. 166.7 ms‘!
E. 83.3 ms?

Question 910:

Which of the following is used for controlling the amount of light entering the eye?

A. Cornea
B. Pupil
C. Iris
D. Optic nerve