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Physics 2011 JAMB Past Questions

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6
If a tube of small radius opened at both ends is placed in a liquid, the liquid will
  • A. remain at the same level irrespective of whether the liquid wet the glass or not
  • B. fall below the liquid level if the liquid wets the glass
  • C. falls below the liquid level if the liquid does not wet the glass
  • D. rise above the liquid level if the liquid does not wet the glass
View Answer & Discuss (17) JAMB 2011
7
An object weighs 22 kg in water and 30kg in air. what is the upthrust exerted by the liquid on the object.


[g = 10 ms2]
  • A. 50 N
  • B. 520 N
  • C. 220 N
  • D. 80 N
View Answer & Discuss (2) JAMB 2011
8
A metal of volume 40 cm3 is heated from 30 °c to 90 °c, the increase in volume is
  • A. 0.12 cm3
  • B. 4.00 cm3
  • C. 1.20 cm3
  • D. 0.40 cm3
  • E. no correct option
View Answer & Discuss (3) JAMB 2011
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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9

A copper wire was subjected to a tensile stress of 7.7 x 10^7. calculate strain of the wire.


[young modules = 1.1 x 1011 Nm-2]

  • A. 2. 0 x 10-5
  • B. 7.0 x 10-3
  • C. 7.0 x 10-4
  • D. 2.2 x 10-4
View Answer & Discuss (3) JAMB 2011
10
I. High thermal capacity.
II. High sensitivity.
III.Easy readability.
IV. Accuracy over a wide range of temperature
From the statement above, the qualities of a good thermometer are
  • A. I and II
  • B. I, II,III and IV
  • C. I, III and IV
  • D. II, III and IV
View Answer & Discuss JAMB 2011
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