Past Questions And Answers
The Arthur Richards Constitution was designed to last for
- A. nine years
- B. five years
- C. twelve years
- D. six years
The biome that is characterized with large herbivores, few and scattered fire resistant trees is
- A. savanna
- B. tropical rain forest
- C. montane forest
- D. desert
If the sixth term of an Arithmetic Progression (A.P) is 37 and the sum of the first six terms is 147, find the
(a) first term;
(b) sum of the first fifteen terms.
View Discussion (0)WAEC 2017 THEORYA major consequence of the privatization exercise in Nigeria is
- A. the collapse of the Nigerian economy
- B. reduction in foreign exchange
- C. h?gh rate of indebtedness
- D. mass retrenchment of labour
The air pollutant unknown in nature is
- A. NO
- B. CO
- C. HCHO
- D. DDT
The angle of a sector of s circle, radius 10.5cm, is 48°, Calculate the perimeter of the sector
- A. 8.8cm
- B. 25.4cm
- C. 25.6cm
- D. 29.8cm
Which of the following defines symbiosis?
- A. parasites feed on dead organisms
- B. both organisms benefit mutually by living together
- C. Saprophytes feed on living organisms
- D. organisms serve as host to parasite
y is inversely proportional to x and y is 6 when x = 7. Find the constant of the variation
- A. 47
- B. 42
- C. 54
- D. 46
A poem written in praise of someone or something is
- A. a ballad
- B. an epic
- C. a sonnet
- D. an ode
(a) Explain the term critical angle.
(b) List two factors which determine the deviation of a ray of light by a triangular glass prism.
(c) The angle of refraction (r) of a ray of white light from air through a triangular glass prism of refractive index 1.5 is 29.0°. Calculate the angle through which the ray is least deviated.
(d) Study the ray diagram below and use it to answer the questions that follow.
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Calculate the:
(i) values of angles P,Q and R;
(ii) refractive index n of the glass prism;
(iii) value of e;
(iv) total deviation D.
View Discussion (0)WAEC 2012 THEORY.jpeg)