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Friday, 06 November 2026
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Physics Past Questions and Answers

Jamb 2005 Physics Questions

Question 31:
Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge?
  • A The charge must be of opposite sign
  • B Positive charges are more in number
  • C The charges are electrically neutral
  • D The charges are of the same sign
View Answer & Explanation
Question 32:
The resistance of a pieces of wire of lenght 20m are crossed-sectional area 8 x 10 6m2is?
[Resistivity of the wire = 4 x 10-7 Ω m]
  • A 5.0 Ω
  • B 0.5 Ω
  • C 10.0 Ω
  • D 1.0 Ω
View Answer & Explanation
Question 33:
The figure above shows a plot of angles of deviation through a glass prism when light is incident at θ degrees on the prism. The incident angle that produces the minimum deviation is
  • A 20<sup style='font-size: smaller;'>o</sup>
  • B 18<sup style='font-size: smaller;'>o</sup>
  • C 35<sup style='font-size: smaller;'>o</sup>
  • D 25<sup style='font-size: smaller;'>o</sup>
View Answer & Explanation
Question 34:
The value of F in the figure above when in equilibrium is
  • A 10N
  • B 12N
  • C 20N
  • D 27N
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Question 35:
In the figure above, the coefficient of static friction is 0.5. If the tension in the string is T, the acceleration of the system in motion is
  • A 5 ms<sup style='font-size: smaller;'>-2</sup>
  • B 15 ms<sup style='font-size: smaller;'>-2</sup>
  • C 3 ms<sup style='font-size: smaller;'>-2</sup>
  • D 9 ms<sup style='font-size: smaller;'>-2</sup>
View Answer & Explanation