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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
3666

The linear expansivity of brass is 2 x 10\(^{-5}\) C\(^{-1}\). If the volume of a piece of brass is 15.00cm at 0°C, what is the volume at 100°C

  • A. 16.03cm\(^3\)
  • B. 15.09cm\(^3\)
  • C. 16.00cm\(^3\)
  • D. 15.03cm\(^3\)
View Answer & Discuss (8) JAMB 2018
3667

A lead bullet of mass 0.05 kg is fired with a velocity of 200 m/s into a lead block of mass 0.95 kg. Given that the lead block can move freely, the final kinetic energy after impact is

  • A. 100J
  • A. 150J
  • C. 50J
  • D. 200J
View Answer & Discuss (8) JAMB 2018
3668

In a series R-L-C circuit at resonance, the voltages across the resistor and the inductor are 30V and 40V respectively. What is the voltage across the capacitor?

  • A. 30V
  • B. 70V
  • C. 50V
  • D. 40V
View Answer & Discuss (4) JAMB 2018
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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3669

If the fraction of the atoms of a radioactive material left after 120years is \(\frac{1}{64}\), what is the half-life of the material?  \(\frac{1}{64}\)

  • A. 20 years
  • B. 10 years
  • C. 2 years
  • D. 24 years
View Answer & Discuss (9) JAMB 2018
3670

In the diagram shown, which of the simple pendulum will resonate with P when set into oscillation?

  • A. U
  • B. T
  • C. R and T
  • D. Q and R
View Answer & Discuss (1) JAMB 2018
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