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376
What is the decay constant of a radioactive element whose half-life is 3 seconds
  • A. 0.132s-1
  • B. 0.23s-1
  • C. 0.347s-1
  • D. 0.693s-1
  • E. 0.924s-1
View Answer & Discuss (5) WAEC 1996
377
Which of the following substances is most viscous at room temperature?
  • A. Water
  • B. Alcohol
  • C. Petrol
  • D. Palm oil
  • E. Kerosine
View Answer & Discuss (1) WAEC 1996
378
Which of the following is not part of the electromagnetic spectrum?
  • A. Radio wave
  • B. Gamma ray
  • C. Infra-red ray
  • D. Alpha particle
  • E. X-ray.
View Answer & Discuss WAEC 1996
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379

Which of the following is used in a nuclear reactor to slow down fast-moving neutrons?

  • A. Carbondioxide gas
  • B. Liquid sodium metal
  • C. Concrete shield
  • D. Graphite rods
  • E. Boron rods
View Answer & Discuss (9) WAEC 1996
380
Which of the following is used in a nuclear reactor to slow down fast-moving neutrons?
  • A. Carbondioxide gas
  • B. Liquid sodium metal
  • C. Concrete shield
  • D. Graphite rods
  • E. Boron rods
View Answer & Discuss (4) WAEC 1996
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts