Photoelectric effect Questions And Answers (part 2)
Photoelectric effect Questions1. (a) Define the following: (i) Photoelectric effect (ii) threshold wavelength (b) The variation of frequency f with the maximum
Pressure Questions And Answers (part 1)
Pressure Questions1. State the possible reason why, if water is used as a barometer liquid, the glass tube required to hold the column of the
Linear motion Questions And Answers (part 2)
Linear motion Questions1. A footballer kicks a ball of mass 0.6kg initially at rest using a force of 720N. If the foot was in
Floating and sinking Questions And Answers (part 1)
Floating and sinking Questions1. (a). State Archimedes’s Principle . b). A during bell of weight 60,000N and volume 2m3 is to be raised from
Resistors Questions And Answers (part 2)
Resistors Questions1. Your are provided with the following apparatus: connecting wires, an ammeter, fixed resistors, a voltmeter, a variance resistor, a switch and two dry
Waves II Questions And Answers (part 2)
Waves II Questions1. (a) (i) Distinguish between stationary and progressive waves (ii) State a reason why a closed tube or pipe produces
Radioactivity Questions And Answers (part 2)
Radioactivity Questions1. (a) Define radioactive decay (b) A radioactive element decays to 1/128 of its original activity after 49 days. Determine its half –life2. (a)
Radioactivity and X-ray Questions And 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