A man walks 1km due east and then 1 km due north His displacement
- A. √2km N 45°E
- B. 1km N 30°E
- C. 1km N 15°E
- D. √2km N 60°E
2. The density of 400cm of palm oil was 0.9gcm-3 before frying. If the density of the oil was 0.6gm-3 after frying, assuming no loss of oil due to spilling, its new volume was?
- A. 1360cm3
- B. 600cm3
- C. 240cm
- D. 8000m3
3. Natural radioactivity consists of the emission of
- A. α- particles and β-rays
- B. α- particles and X-rays
- C. α- particles, β – rays and g-rays
- D. γ- rays and X-rays
4. Which of the following is true of an electrical charge?
- A. Positive charge means deficit electrons
- B. Negative charge means excess of electrons
- C. electric current means movement of electrons
- D. All of the above
5. Which of the following does NOT describe the Image formed by a plane minor?
- A. Erect
- B. Laterally inverted
- C. Same distance from mirror as object
- D. Magnified
6. 
What is the resultant resistance of the circuit in the image shown?
- A. 8Ω
- B. 11Ω
- C. 4Ω
- D. 3.6Ω
7. Which of the following best describes the energy changes which take place when a steam engine drives a generator which lights a lamp?
- A. heat —-> Light—-> Sound —-> Kinetic
- B. Kinetic —-> Light —-> Heat —-> Electricity
- C. heat —-> Kinetic —-> Electricity —-> Heat and Light
- D. electricity —-> Kinetic —-> Heat —-> Light
8. Cathode rays are
- A. High-energy electromagnetic waves
- B. protons
- C. neutrons
- D. streams of electrons
9. A narrow beam of white light can be split up into different Colours by a glass prism. The correct explanation is that
- A. white light Is an electromagnetic wave
- B. the prism has all the colours of the white light
- C. different colours of white light travel with different speeds in glass
- D. white light has undergone total Internal reflection in the prism
10.
The diagram shown represents a block-and-tackle pulley system on which an effort of W Newtons supports a load of 120.0N. If the efficiency of the machine is 40, then the value of W is?
- A. 28.0
- B. 48.0N
- C. 233.0N
- D. 50.0N
