NECO offline past questions - All questions, answers & explanations in one app 25712
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Physics 2006 WAEC Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO offline past questions - All questions, answers & explanations in one app 25712
46
A radioactive substance of mass 768g has a half life of 3 years. After how many years does this substance leave only 6g undecayed?
  • A. 21
  • B. 18
  • C. 15
  • D. 12
View Answer & Discuss (1) WAEC 2006
47
Fusion is not usually used for generating electric power because
  • A. no energy is released when fusion takes place
  • B. very high temperatures are required to initiate fusion reaction
  • C. the raw materials needed is not easily available
  • D. heavy nuclei are involved
View Answer & Discuss (1) WAEC 2006
48
An atom \(^{234}_{91} P\) emits a gamma radiation. The resultant nuclide is
  • A. \(^{230}_{90} Th\)
  • B. \(^{234}_{91} Pa\)
  • C. \(^{234}_{90} Th\)
  • D. \(^{234}_{89} Ac\)
View Answer & Discuss (1) WAEC 2006
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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NECO offline past questions - All questions, answers & explanations in one app 25712
49
The diagram above shows the speed-time graph of a car.If the car covered a total distance of 600m in 25s, calculate its maximum speed
  • A. 30ms-1
  • B. 25ms-1
  • C. 20ms-1
  • D. 15ms-1
View Answer & Discuss (2) WAEC 2006
50
Determine the magnitude of P in the diagram above
  • A. 16N
  • B. 20N
  • C. 32N
  • D. 40N
View Answer & Discuss (6) WAEC 2006
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