Selected MCQ

Current Question
Which law relates pressure and volume?
  • A. Charles’ law
  • B. Boyle’s law
  • C. Avogadro’s law
  • D. Dalton’s law
Correct Answer: B
Explanation:
Pressure inversely proportional to volume.
Related Question 1
Which gas law relates volume and temperature?
  • A. Boyle
  • B. Charles
  • C. Dalton
  • D. Avogadro
Correct Answer: B
Explanation:
Volume proportional to temperature.
Related Question 2
Which instrument measures air pressure?
  • A. Hygrometer
  • B. Barometer
  • C. Thermometer
  • D. Anemometer
Correct Answer: B
Explanation:
Barometer measures pressure.
Related Question 3
Which law relates heat and temperature?
  • A. Boyle
  • B. Newton cooling
  • C. Ohm
  • D. Coulomb
Correct Answer: B
Explanation:
Cooling rate proportional to temp difference.
Related Question 4
Which device measures pressure?
  • A. Thermometer
  • B. Barometer
  • C. Voltmeter
  • D. Ammeter
Correct Answer: B
Explanation:
Barometer measures atmospheric pressure.
Related Question 5
Which state has fixed volume but no shape?
  • A. Solid
  • B. Liquid
  • C. Gas
  • D. Plasma
Correct Answer: B
Explanation:
Liquids have definite volume.