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Sunday, 03 May 2026
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Physics Past Questions and Answers

Jamb Physics Questions

Question 196:
A solid weighs 4.8g in air, 2.8g in water and 3.2g in kerosine. The ratio of density of the solid to that of the kerosine is
  • A 12
  • B 3
  • C 2
  • D \(\frac{3}{2}\)
  • E \(\frac{5}{4}\)
View Answer & Explanation
Question 197:
A body of mass 6kg rests on an inclined plane. The normal reaction is R and the limiting frictional force is F as shown in the image above. if F = 30N, and g = 10ms2 then the angle of inclination \( \theta \) is
  • A \( 15^{\circ} \)
  • B \( 30^{\circ} \)
  • C \( 45^{\circ} \)
  • D \( 60^{\circ} \)
  • E \( 75^{\circ} \)
View Answer & Explanation
Question 198:
The effect of closing the key K in the circuit shown above would be to
  • A Increase the current by 0.6A
  • B Reduce the current by 0.6A
  • C Increase the current by 0.4A
  • D Keep the current unchanged
View Answer & Explanation
Question 199:
The wave motion above has a frequency
  • A 0.1Hz
  • B 0.2Hz
  • C 5Hz
  • D 10Hz
  • E 100Hz
View Answer & Explanation
Question 200:
The hatch door of a submarine has an area of 0.5m2. The specific gravity of sea water is 1.03. Assume that g = 10ms-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth of 200m is
  • A 1.03 x 10<sup style='font-size: smaller;'>5</sup>N
  • B 1.03 x 10<sup style='font-size: smaller;'>4</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • C 1.06 x 10<sup style='font-size: smaller;'>5</sup>Nm<sup style='font-size: smaller;'>-2</sup>
  • D 2.06 x 10<sup style='font-size: smaller;'>6</sup>N
  • E 1.03 x 10<sup style='font-size: smaller;'>3</sup>N
View Answer & Explanation