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Tuesday, 18 August 2026
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Physics Past Questions and Answers

Topic: Structure of Matter and Kinetic Theory

Jamb Physics Questions - Structure of Matter and Kinetic Theory

Question 116:
A uniform solid cube material 10cm on each side of mass 700g is submerged in water. which of the following best described the behavior of the cube water?
  • A The cube will melt after a period of time
  • B The cube will float
  • C The cube will sink in water
  • D The cube will rest at an equilibrium position in water
View Answer & Explanation
Question 117:
The motion of smoke particles from a chimney is typical of?
  • A Random motion
  • B Circular motion
  • C Rotational motion
  • D Oscillatory motion
View Answer & Explanation
Question 118:
In an experiment to determine terminal velocity, as the pressure increases, the viscosity off a liquid
  • A Increases
  • B Decreases
  • C Increases then decreases
  • D Remains constant
View Answer & Explanation
Question 119:
The energy associated with the emitted photon when a mercury atom changes from one state to another is 3.3 ev. calculate the frequency of the photon.
[e = 1.6 x 10-19c; h = 6.6 x 10-13js]
  • A 1.3 x 10<sup style='font-size: smaller;'>-15</sup> Hz
  • B 3.1 x 10<sup style='font-size: smaller;'>52</sup> Hz
  • C 3.2 x 10<sup style='font-size: smaller;'>-53</sup> Hz
  • D 8.0 x 10<sup style='font-size: smaller;'>14</sup> Hz
View Answer & Explanation
Question 120:
A radioactive element has a half life of 4 days. The fraction that has decayed in 16 days is?
  • A (15)/16
  • B (1)/16
  • C (3)/4
  • D (1)/4
View Answer & Explanation