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Physics 2010 WAEC Past Questions

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16
a thermometer records 680 mmHg at steam point and 440 mmHg at ice point. The temperature it records at 380 mmHg is
  • A. -25oC
  • B. -20oC
  • C. 20oC
  • D. 25oC
View Answer & Discuss (12) WAEC 2010
17
The advantages of the thermoelectric thermometer include the following characteristics except that it
  • A. can measure rapidly changing temperatures
  • B. can measure high and low temperature
  • C. can measure high and low temperature almost at a point
  • D. is fairly sensitive
View Answer & Discuss (1) WAEC 2010
18

In a thermos flask, heat loss by radiation is minimizes by the

  • A. silvered surfaces
  • B. vacuum within the doubled walls
  • C. plastic stopper
  • D. cork support
View Answer & Discuss (2) WAEC 2010
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19
The pressure P, volume V, and absolute temperature T of a given mass of an ideal gas change simultaneously. Which of the followng equations is correct about the gas?
  • A. PV = \(\frac{constant}{T}\)
  • B. \(\frac{P}{T} = Constant\)
  • C. \(\frac{P}{V} = \frac{constant}{T}\)
  • D. \(\frac{I}{T} = \frac{constant}{PV}\)
View Answer & Discuss (1) WAEC 2010
20

Specific heat capacity 36.4 Jkg-1 K-1 of a body means that when 36.4J of heat energy is supplied to a body of

  • A. mass 100kg the temperature rises by 1k
  • B. mass 1kg, the temperature by 1000K
  • C. mass 1kg, the temperature rises by 1K
  • D. mass 100kg, the temperature rises by 1000k
View Answer & Discuss (4) WAEC 2010
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