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Physics 2004 NECO Past Questions

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16
The temperature at which the water vapour present in the air is just enough to saturate the air is the _______ point.
  • A. boiling
  • B. critical
  • C. dew
  • D. ice
  • E. steam
View Answer & Discuss NECO 2004
17
Which of the following statements is true of nuclear fission?
  • A. Heavy nuclei combine to form new element
  • B. Protons are used in bombarding heavy nucleus
  • C. The sum of the masses of the products is greater than the mass of the original substance
  • D. Two light nuclei are made to combine to form a heavy nucleus
  • E. Very large amount of energy is released.
View Answer & Discuss (1) NECO 2004
18
The frequency of a body executing simple harmonic motion when left undisturbed is known as__________ frequency.
  • A. damped
  • B. forced
  • C. free
  • D. natural
  • E. sinusoidal
View Answer & Discuss NECO 2004
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19
When very hot water is poured into a thin-walled glass container, it is less likely to break because
  • A. all parts of the container got heated-uniformly
  • B. glass can withstand a very high temperature
  • C. the molecules of glass are too far apart to cause breakages of the container
  • D. the outer part of the container is cooler than the inner part
  • E. thin glass does not expand fast
View Answer & Discuss NECO 2004
20
An electron makes a transition from - 1.60 eV energy level to - 10.4eV energy level Calculate the energy loss due to the transition.
  • A. 16.64eV
  • B. 12.00eV
  • C. 10.40eV
  • D. 8.80eV
  • E. 6.50eV
View Answer & Discuss (3) NECO 2004
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