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Physics 2010 JAMB Past Questions

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11

The density of a certain oil on frying becomes 0.4 kgm\(^{-3}\) with the volume of 20m\(^{3}\). what will be its initial volume when its initial density is 0.8 kgm\(^{-3}\) assuming no loss of oil due to spillage?

  • A. 12m3
  • B. 10m3
  • C. 8m3
  • D. 5m3
View Answer & Discuss (6) JAMB 2010
12

Heat is radiated by hot objects in the form?

  • A. x-rays
  • B. light energy
  • C. infrared rays
  • D. solar energy
View Answer & Discuss (2) JAMB 2010
13

If a container is filled with ice to the brim, what happens to the level of water when the ice completely melts?

  • A. the level of water goes up
  • B. the water in the glass outflows
  • C. the level of water remains unchanged
  • D. the level of water drops
View Answer & Discuss (25) JAMB 2010
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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14
The small droplet of water that forms on the grass in the early hours of the morning is
  • A. hail
  • B. dew
  • C. fog
  • D. mist
View Answer & Discuss (1) JAMB 2010
15

A vapor is said to be saturated when?

  • A. a dynamic equilibrium exists between liquid molecules and the vapour molecules
  • B. a dynamic equilibrium exists such that more molecules return to the liquid than are leaving it
  • C. the temperature of the vapour varies
  • D. the vapour pressure is atmospheric
View Answer & Discuss (2) JAMB 2010
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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
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208