Selected MCQ

Current Question
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 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 atmospheric layer has lowest temperature?
  • A. Troposphere
  • B. Stratosphere
  • C. Mesosphere
  • D. Thermosphere
Correct Answer: C
Explanation:
Mesosphere is coldest.
Related Question 3
A system with negative heat capacity is characteristic of:
  • A. Ideal gas
  • B. Black holes and self-gravitating systems
  • C. Solids
  • D. Liquids
Correct Answer: B
Explanation:
Adding energy can decrease temperature in gravitational systems.
Related Question 4
Which energy is heat?
  • A. Thermal
  • B. Kinetic
  • C. Potential
  • D. Chemical
Correct Answer: A
Explanation:
Heat is thermal energy.
Related Question 5
Which process absorbs heat?
  • A. Exothermic
  • B. Endothermic
  • C. Neutral
  • D. Isothermal
Correct Answer: B
Explanation:
Endothermic absorbs energy.