Past Questions And Answers
When a variable is associated with time period, it is_____________
- A. circular
- B. a flow
- C. static
- D. a stock
The equation of a circle is \(3x^{2} + 3y^{2} + 6x - 12y + 6 = 0\). Find its radius
- A. 1
- B. \(\sqrt{3}\)
- C. \(\sqrt{11}\)
- D. \(\sqrt{6}\)
(a) In the design of an optical fibre, what type of material is most suitable for the design of the core?
(b) State one condition necessary to confine signals to the core of an optical fibre.
View Discussion (0)WAEC 2020 THEORYThe Magna Carta, signed in 1215, is an important historical document that limited the power of which figure?
- A. Kings and Monarchs
- B. The Pope
- C. Military Generals
- D. Wealthy Merchants
Which of the following substances is not a conservable natural resource?
- A. Mineral
- B. Air
- C. Soil
- D. Water
In which of the following periods is the harmattan dominant in West Africa?
- A. august to october
- B. may to july
- C. novermber to january
- D. february to april
The distance between two successive trough of a wave is 0.4m. If the frequency of the source is 825Hz, Calculate the speed of the wave
- A. 165.0 ms-1
- B. 330.0ms-1
- C. 41.5ms-1
- D. 85.0ms-1
One of the advantages of the simple majority system of voting is that it
- A. discourages election malpractices
- B. gives an accurate result of an election
- C. is very suitable to large countries
- D. is simple and cheap to operate
which of the following logic operations would select a record when at least one condition is satisfied?
- A. AND
- B. NOR
- C. NOT
- D. OR
The difference between X-rays and gamma rays is that
- A. x-rays are more penetrating than gamma rays
- B. x-rays are electromagnetic radiations while gamma rays are negatively charged radiation
- C. x-rays have higher frequencies than gamma rays
- D. x-rays arise from energy changes in the electronic structure of atoms while gamma rays come from the nucleus