Post Utme Physics Past Questions and Answers

Question 526:

One of the properties of gamma rays is that they are is that they are ____________

A. Negatively charged
B. Massive
C. Neutral
D. Positively charged

Question 527:

The process whereby the molecules of different substances move randomly is called ____________

A. Surface tension
B. Diffusion
C. Capillary
D. Osmosis

Question 528:

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

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

Question 529:

The velocity of sound in air will be doubled if its absolute temperature is ____________

A. Doubled
B. Halved
C. Constant
D. Quadrupled

Question 530:

A thin converging lens has a power of \(4.0\) diopers. Determine its focal length ____________

A. \(0.25 \mathrm{~m}\)
B. \(0.03 m\)
C. \(5.00 \mathrm{~m}\)
D. \(2.50 \mathrm{~m}\)