Post Utme Physics Past Questions and Answers

Question 916:

Which of the following is a derived unit?

A. Ampere
B. Kilogram
C. Second
D. Ohm
E. Kelvin

Question 917:

The basic difference between the transverse waves and a longitudinal wave traveling in the same direction in a medium is in the ____________

A. Amplitude of the wave
B. Wavelength of the wave
C. Direction of vibration of the particles of the medium
D. Period of vibration of the particles

Question 918:

When a metal ball is heated through 30°C its volume becomes 1.00180ms°? if the linear expansivity of the material of the ball is 2.0 x 10-5K calculate its original volume.

A. 1.0000cm?
B. 1.0020cm?
C. 1.0036cm?
D. 1.0038cm3
E. 1.0045cm?3

Question 919:

Which of the following radiations has the highest frequency?

A. Radio waves
B. Light waves
C. X-rays
D. Infrared rays
E. Ultraviolet rays

Question 920:

Which of the following reasons explain why the walls and ceilings of a standard concert halls are usually covered with perforated pads? To ____________

A. Increase the intensity of the sound waves
B. Increase the loudness of the sound waves
C. Reduce the effects of reverberation of sound waves
D. Decrease the frequency of sound waves