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Physics 2000 JAMB Past Questions

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16

One end of a long wire is fixed while a vibrator is attached to the other end. When the vibrator is energized, the types of waves generated in the wire are

  • A. stationary and longitudinal
  • B. stationary and transverse
  • C. progressive and transverse
  • D. progressive and longitudinal
View Answer & Discuss (21) JAMB 2000
17
A metal of mass 0.5kg is heated to 100°C and then transferred to a well-lagged calorimeter of heat capacity 80JK-1 containing water of heat capacity 420JK-1 at 15°C. If the final steady temperature of the mixture is 25°C, find the specific heat capacity of the metal.
  • A. 877Jkg-1K-1
  • B. 286Jkg-1K-1
  • C. 133Jkg-1K-1
  • D. 92Jkg-1K-1
View Answer & Discuss (2) JAMB 2000
18

The main reason for making the cover of a vacuum flask airtight is to prevent heat loss by

  • A. convection
  • B. conduction
  • C. radiation
  • D. evaporation
View Answer & Discuss (33) JAMB 2000
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19

A radio is operated by eight cells each of e.m.f. 2.0V connected in series. If two of the cells are wrongly connected, the net e.m.f. of the radio is

  • A. 8V
  • B. 10V
  • C. 12V
  • D. 16V
View Answer & Discuss (21) JAMB 2000
20
If a charged ion goes through combined electric and magnetic fields, the resultant emergent velocity of the ion is
  • A. E/B
  • B. EB
  • C. B/E
  • D. E - B
View Answer & Discuss (17) JAMB 2000
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free