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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 91:
The pressure of a given mass of a gas changes from 200Nm-2 to 120Nm-2 while the temperature drops from 127°C to -73°C. The ratio of the final volume to the initial volume is
  • A 2 : 5
  • B 5 : 4
  • C 5 : 2
  • D 4 : 5
View Answer & Explanation
Question 92:
A gas with initial volume of 2 X 10-6m3 is allowed to expand to six times its initial value at constant pressure of 2 x 105Nm-2. The work done is
  • A 2.0J
  • B 4. 0 J
  • C 12.0 J
  • D 2.4 J
View Answer & Explanation
Question 93:
The particles emitted when \( ^{39}_{19}K \text{ decay to } ^{39}_{19}K \) is
  • A Gamma
  • B Beta
  • C Electron
  • D Alpha
View Answer & Explanation
Question 94:
The magnetic force on a charged particle moving with velocity v is
  • A Proportional to both the magnitude of the charge and the velocity v
  • B Independent of the magnitude of the charge
  • C Proportional to the velocity v only
  • D Proportional to the magnitude of the charge only
View Answer & Explanation
Question 95:
water is a poor thermometric liquid because it
  • A Is opaque
  • B Is a poor conductor
  • C Wets glass
  • D Has low vapour pressure
View Answer & Explanation