Post Utme Physics Past Questions and Answers

Question 736:

The process whereby a liquid turns spontaneously into vapour is called ____________

A. Evaporation
B. Repelation
C. Boiling
D. Sublimation

Question 737:

A stone of mass m kg is held h metals above the floor for 50s. the work done is joules over this period is ____________

A. Mh
B. Mgh
C. Mg/h
D. O

Question 738:

An inclined plane which makes an angle of 300 with the horizontal has a velocity ratio of ____________

A. O
B. 1
C. 0.866
D. 0.50

Question 739:

A wave disturbance traveling in and enters a medium in which its velocity is less than that in air.
Which of the following statements is true about the wave in the medium?

A. Both the frequency of the wave and the wavelength and decreased
B. The frequency of the wave is deceased while the wavelength is increased
C. The frequency of the wave in unaltered while the wavelength decreased
D. The frequency of the wave is decreased while the wavelength is unaltered

Question 740:

Shadows and eclipse result from the ____________

A. Refraction of light
B. Rectilinear propagation of light
C. Defraction of light
D. Reflection of light.