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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2336
Which of the following statements is not true of the isotopes of an element? They
  • A. are atoms of the same element
  • B. have the same chemical properties
  • C. have the same atomic number
  • D. have the same mass number
View Answer & Discuss (1) WAEC 2003
2337
Which of the following statements is true of ultra violet radiations? It
  • A. supports the sensation of hearing
  • B. does not cause the emission of electrons from metals
  • C. is an electromagnetic wave
  • D. is not capable of causing sun burns
View Answer & Discuss WAEC 2003
2338
A radioactive element has a decay constant of 0.077s-1, calculate its half life
  • A. 12.5s
  • B. 9.0s
  • C. 5.1s
  • D. 0.5s
View Answer & Discuss (2) WAEC 2003
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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2339
The minimum energy required to remove an electron from an atom is known as
  • A. excitation energy
  • B. ionization energy
  • C. binding energy
  • D. photon energy
View Answer & Discuss (3) WAEC 2003
2340

Nuclear fission is preferred to nuclear fusion in the generation of energy because?

  • A. very high temperature are required for fusion
  • B. the raw material of fusion are not easily obtained
  • C. energy obtained from fusion is relatively smaller
  • D. the by product of fusion are very dangerous
View Answer & Discuss (8) WAEC 2003
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts