An element having the atomic number 17 will resemble which of the following elements having atomic number as given below?

• A. 33
• B. 35
• C. 18
• D. 19

The societal norms that represents the overall attitude of the people in a society is called

• A. group values.
• B. general values.
• C. religious values.
• D. personal values.

If the frequency of an emitted x-ray is 1.6 x 10¹⁶Hz, the accelerating potential is?

[e = 1.6 x 10^−19J, h = 6.63 x 10^-34Js]

• A. 6630.0V
• B. 663.0V
• C. 66.3V
• D. 6.6V

(a) Sketch the magnetic flux pattern around a long; straight, current-carrying wire

(b) State two methods by which the sensitivity of a moving-coil galvanometer can be increased.

(c) A series RLC circuit comprises a 100-\(\Omega\) resistor, a 3-H inductor and a 4-\(\mu\)f capacitor. The a.c source of tile circuit has an e.m.f of 100V and a frequency of 160 Hz.

(i) Draw the circuit diagram of the arrangement. Calculate the:

(ii) capacitive reactance;

(iii) inductive reactance:

(iv) impedance of the circuit;

(v) current in the circuit;

(vi) average power dissipated in the circuit.

A body moving with uniform acceleration has two points(5, 15) and (20, 60) on the velocity-times graph of its motion. Calculate

• A. 0.25ms^-2
• B. 3.00ms^-2
• C. 4.00ms^-2
• D. 9.00ms^-2

The images formed by diverging lenses are always

• A. diminished, virtual and inverted
• B. diminished, virtual and errect
• C. diminished inverted and real
• D. magnified, virtual and errect

In each of the following sentences, there is one word underlined and one gap. From the list of words lettered A - D, choose the word that is most nearly opposite in meaning to the underlined word and that will, at the same time, correctly fill the gap in the sentences.

Ngozi's beauty isnatural but her sister's is rather............

• A. unnatural
• B. artificial
• C. awkward
• D. fake

An atom that emits an alpha-particle?

• A. may become a different element.
• B. becomes a different isotope of the element.
• C. daughter with increased mass.
• D. becomes a daughter of a different element always.

The table below shows the natural growth gowth rate of the population of country N over a period of time. Use the information contained in the table to answer the following questions.

(a) Determine L. P, Q, R, S and T. [6 marks]

(b) With the use of a bar chart, graphically present the changes in the natural growth rate over the years. (Use of graph sheet is essential) [8 marks]

(c) Outline any three reasons for changes in birth rate. [6 marks]

The table below shows the natural growth gowth rate of the population of country N over a period of time. Use the information contained in the table to answer the following questions.

(a) Determine L. P, Q, R, S and T. [6 marks]

(b) With the use of a bar chart, graphically present the changes in the natural growth rate over the years. (Use of graph sheet is essential) [8 marks]

(c) Outline any three reasons for changes in birth rate. [6 marks]

Express the true bearing of 250° as a compass bearing

• A. N20° E
• B. S20° E
• C. N20° W
• D. S70° W