Past Questions And Answers
The indigenisation policy in Nigeria is aimed at
- A. nationalising foreign businesses
- B. alternating foreign investors
- C. commandeering foreign businesses in Nigeria
- D. increasing equity participation and control by Nigerians
The best breeds of dairy cattle can be found in?
- A. South America
- B. Asia
- C. Australia
- D. Europe
(a) Write Einstein's photoelectric equation and identh: each component of the equation.
(b) For a photocell, star; one factor each that is responsible fo: the:
(i) emission (ii) rate of emission;
(iii) energy of photoelectrons.
(c)(i) Two nuclear equations are given below:
\(^{222}_{p}RN\) \(\to\) \(^{218}_{84}PO + ^q_2He\)...................A
\(^{214}_{83}RN\) \(\to\) \(^{214}_{84}PO + ^m_nX\)...................B
Determine the values of: (\(\alpha\)) p and q in equation A; (\(\beta\)) in and n in equation B and identify X.
(ii) Give a reason why it is important to dispose o radioactive waste safely.
(d)(i) A certain atom emits ultra violet photon of wavelength 2.4 x10\(^{-7}\)m. Calculate the energy of the photon:
----------------- - 6.0 x 10\(^{-19}\)J
---------------- - 8.2 x 10\(^{-19}\)J
---------------- - 8.8 x 10\(^{-19}\)J
---------------- - 16.7 x 10\(^{-19}\)J
(ii) The figure above illustrates the energy levels o the atom. Copy the figure in your answer booklet anc indicate on it, the energy level transitions which cause the emission of the photon in (d)(i) above. [h= 6.6 x 10\(^{-34}\) Js; c = 3.0 x 108 ms\(^{-1}\)].
View Discussion (0)WAEC 2014 THEORYWho baptized the Ethiopian Eunuch?
- A) Paul
- B) Peter
- C) Philip
- D) Rufus
Which of the following statements is correct?
- A. biceps muscles has its origin on the head of the humerus
- B. biceps muscle is inserted at the ulna
- C. triceps muscle originated at the scapula and head of the humerus
- D. ulna is pulled up when the biceps is relaxed
A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen?
- A. 0.05m
- B. 0.15m
- C. 0.30m
- D. 1.00m
The structural similarities in Paramecium and Euglena are in the
- A. shape of locomotory organs
- B. blunt anterior and pointed posterior
- C. presence of micro and mega nuclei in both
- D. presence of anterior and posterior contractile vacuoles
Paul in Thessalonian said the signs of the Second Coming of Christ would start with
- A. condemnation
- B. rebellion
- C. earthquake
- D. darkness
A two-way process which involves sending and receiving of messages is referred to as__________
- A. Advertisement
- B. Communication
- C. Marketing
- D. Transportation
The climatic belts recognized by the Greek were
- A. torrid,temperate and frigid
- B. hot,cold and medium
- C. hot,mild and cool
- D. equatorial,polar and torrid

