The organized efforts of consumers to protect themselves against the unfair practices of businessmen is?

• A. strike
• B. consumerism
• C. picketing
• D. demonstration

Which of the following is not an organ?

• A) leaf
• B) heart
• C) kidney
• D) bone

Which of the following is not a component of an incubator ?

• A. electric heater
• B. temperature
• C. thermostat
• D. Insulator

The following are solutions to poor transportation network experienced by farmers except

• A. Construction of new roads to open up the rural areas
• B. Provision of motor vehicles, boats and trains to facilitate distribution of farm products.
• C. Reduction in transportation cost to make such affordable to rural farmers.
• D. Presence of bad roads

A car moving with an initial velocity, u, travels in a straight line with a constant acceleration of 3ms\(^{-2}\) until it attains a velocity of 33ms\(^{-1}\) after 6 seconds. Calculate the distance travelled by the car.

If 20cm³ of distilled water is added to 80cm³ of 0. 50 mol/dm³ hydrochloric acid, the new concentration of the acid will be

• A. 0.10mol/dm³
• B. 0.20mol/dm³
• C. 0.40mol/dm³
• D. 2.00mol/dm³

Before the Areopagus, Paul declared that the Unknown God was

• A. indeed the creator of all
• B. truly a fake deity
• C. spiritually Jesus Christ
• D. a manifestation of the human mind

Based on William Shakespeare's Twelfth Night.

The significance of the sub-plot dealing with Feste, Toby and Maria is the expression of life's

• A. fragility
• B. pleasure
• C. comedy
• D. romance

Which of the following reasons explain why fertilizers are added to soils?

• A. prevention of erosion
• B. increasing the organic matter content
• C. increasing the water retention capacity
• D. increasing the nutrient level

(a) The equation y = \(\alpha\) sin (wt - kx) represents a plane wave travelling in a medium along the x-direction, being the displacement at the point x at time t.

(i) Given that x is in metres and t is in seconds, state the units of k and w

(ii) What physical quantity does \(\frac{W}{k}\) represent? Justify your answer

(iii) State whether the wave is travelling in the positive or negative x-direction.

(b)(i) What are beats?

(ii) A sonometer wire has a frequency of 259 Hz. It is sounded alongside a tuning fork of frequency 256 Hz. Calculate the beat frequency

(iii) The sonometer wire in (b)(ii) above is under a tension of 1200 N. If a metre of the wire has a mass of 0.03 kg, calculate the length l of the wire when it is vibrating in the fundamental mode.

(c) List two similarities between the human eye and the photographic camera.