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1421
The mouth piece of a telephone handset converts
  • A. electrical energy to sound energy
  • B. sound energy to electrical energy
  • C. sound energy to radiowave
  • D. radiowave to sound energy
View Answer & Discuss (2) WAEC 2016
1422
In the clinical thermometer, the function of the kink is to i. Prevent the back flow of mercury after use. ii. Ensure the back flow of mercury after use. iii. Maintain the thermometric property of mercury. iv. Allow the temperature attained to be read.
  • A. i only
  • B. i and ii only
  • C. i and iv only
  • D. iii and iv only
View Answer & Discuss WAEC 2016
1423

Which of the following statements correctly defines the boiling point of a liquid? The temperature at which the

  • A. saturated vapour pressure equals the atmospheric pressure
  • B. molecules leaves the liquid at a rate equal to the rate at which they return
  • C. molecules leave the liquid at a rate higher than that at which they return
  • D. molecules leave the liquid at a rate lower than the rate at which they return
View Answer & Discuss (1) WAEC 2016
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1424

The diagram given is used to determine the

  • A. boiling point of water
  • B. atmospheric pressure
  • C. upper fixed point of a thermometer
  • D. amount of water in the atmosphere
View Answer & Discuss (4) WAEC 2016
1425

An aluminium rod of length 1.8m at 10°C is heated to proceed produce a difference in length of 0.007m. Calculate the temperature to which it is heated. (Linear expansivity of aluminium = 2.3 x 10\(^{-5}\)K\(^{-1}\)

  • A. 155oC
  • B. 160oC
  • C. 169oC
  • D. 179oC
View Answer & Discuss (9) WAEC 2016
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076