Machines & inclined planes Questions And Answers (part 1)
Machines & inclined planes Questions1. An inclined plane of length 5m is used to raise a body of mass 60kg to the back of a
ELECTRICITY & Electronics Questions And Answers
ELECTRICITY & Electronics Questions1. State one advantage of a lead-acid accumulator over a dry cell 2. State one defect of a simple cell and explain
Radioactivity and X-ray QuestionsAnd Answers (part 1)
X-ray Questions 12. a) State the energy changes that take place in an X – ray tube b) Electrons in an X-ray tube are accelerated
Light Questions And Answers (part 2)
Light Questions 1. The length of a pinhole camera is 20cm. Determine the height of a storey building 300m away from the pin hole