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Physics 1999 JAMB Past Questions

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41
The diagram above shows a solid figure with base PQ and center of gravity G on a inclined plane. Which of the following statements is correct
  • A. The solid will fall over if the vertical line through G lies outside the base
  • B. The solid will fall over if the vertical line through lies inside the base
  • C. The solid will not fall over if the vertical line through G lies outside the base
  • D. The solid can never fall over
View Answer & Discuss (5) JAMB 1999
42
The diagram above shows a lift pump with valves at P and Q. During a downward stroke of the piston
  • A. both valves are open
  • B. P is open while Q is closed
  • C. P is closed while Q is open
  • D. Both valves are closed
View Answer & Discuss (6) JAMB 1999
43
In the J-tube above, Y and X are on the same horizontal level and 30cm3 of air is trapped above Y when the atmospheric pressure is 75cm Hg, calculate the volume of air trapped above Y when 15cm Hg is now poured into the limb above X
  • A. 15 cm3
  • B. 25 cm3
  • C. 35 cm3
  • D. 45 cm3
View Answer & Discuss JAMB 1999
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44
The diagram above represents a transverse electromagnetic wave travelling with speed 3.0 x 108ms-1. What is the frequency of the wave.
  • A. 3.0 x 107Hz
  • B. 9.0 x 107Hz
  • C. 1.0 x 109Hz
  • D. 3.0 x 109Hz
View Answer & Discuss (5) JAMB 1999
45
The diagram above shows the prism arrangement in a
  • A. binocular
  • B. spectrometer
  • C. periscope
  • D. projector
View Answer & Discuss (9) JAMB 1999
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