I wasskeptical about the story she told me.

• A. doubtful
• B. convinced
• C. ignorant
• D. confused

The children of Israel cried out to God for help in Egypt because

• A. they were hungry and overworked
• B. they were in bondage
• C. Moses failed to look after them
• D. their male children were killed

Which of the following igneous intrusions is horizontally inclined?

• A. Sill
• B. Dyke
• C. Laccolith
• D. Batholith

A rising short-run average cost is a result of

• A. economies of scale
• B. falling marginal costs
• C. diminishing returns
• D. rising fixed costs

PQRS is a trapezium. QR//PS, /PQ/ = 5cm, /OR/ = 6cm, /PS/ = 10cm and angle QPS = 42°. Calculate, correct to the nearest cm², the area of the trapezium (h = 3.35cm²)

• A. 27cm²
• B. 30cm²
• C. 36cm²
• D. 37cm²

(a) Explain the term photoelectric effect.

(b)

The diagram below represents a photocell with its associated electric circuit. Identify each of the physical quantities

represented by the letters A, B, C, D, E and F

(c) What factor determines the: (i) current produced by the photocell

(ii) maximum kinetic energy of the photoelectrons?

(d) State one similarity and one difference between photoemission and evaporation

(e) Name two methods by which a beam of free electrons may be produced other than photoemission

(f) State two applications of photoelectric effect.

(g) A light wavelength 5.0 x 10\(^{-7}\) m is incident on metal resulting in photoemission of electrons. If the work function of the metal is 3.04 x 10\(^{-19}\)J, calculate the:

(i) frequency of the light

(ii) energy of the incident photon,

(iii) maximum kinetic energy of the photoelectrons (Speed of light = 3.00 x 108ms\(^{-1}\); Planck's constant = 6.6 x 10\(^{-34}\)Js).

Judicial administrations in respect of National Code of Conduct lies with the

• A. Pulic Complaints Commission
• B. Judicial Service Commission
• C. Code of Conduct Bureau
• D. Code of Conduct Tribunal

SECTION F: NON-AFRICAN PROSE

HORACE WALPOLE: The Castle of Otranto

Comment on Manfred’s greed for power in the novel.

An effect of rural-urban migration on the source region is

• A. Rural depopulation
• B. Urban depopulation
• C. Rural employment
• D. Rural unemployment

The interior angles of a quadrilateral are (x + 15)°, (2x - 45)°, ( x - 30)° and (x + 10)°. Find the value of the least interior angle.

• A. 112°
• B. 102°
• C. 82°
• D. 52°