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2871

The energy required to separate the nucleus in an atom completely is known as

  • A. mass defect of the atom
  • B. electron binding energy
  • C. excitation energy
  • D. nuclear binding energy
View Answer & Discuss (2) WAEC 2014
2872
Which of the following statements is the major advantage of nuclear fusion over nuclear fission?
  • A. nuclear fusion releases more energy
  • B. more neutrons are released in fusion than in fission
  • C. fussion does not release as much dangerous radiation as fission
  • D. fusion reactions occur more readily than fission
View Answer & Discuss (2) WAEC 2014
2873
An aluminum foil is placed across a beam of radiation from a radioactive source. Which of the following types of radiation will be stopped by it?
  • A. alpha and beta particles
  • B. alpha and gamma particles
  • C. beta and gamma particles
  • D. gamma particles only
View Answer & Discuss (2) WAEC 2014
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2874
An element of nucleon number P and atomic number Q emits an alpha particle from its nucleus. The resultant numbers of the new element formed are respectively
  • A. P - 4 and Q + 2
  • B. P - 4 and Q - 2
  • C. P + 2 and Q + 2
  • D. P + 2 and Q - 2
View Answer & Discuss (1) WAEC 2014
2875

If the volume of a gas is recorded as 76cm3 at a temperature of 27°C with a pressure of 800mmHg. What will be the volume of the gas at S.T.P?

  • A. 36.2cm3
  • B. 25.7cm3
  • C. 72.8cm3
  • D. 24.3cm3
View Answer & Discuss (10) JAMB 2015
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