Heat And Thermodynamics MCQ

Test your knowledge with important Heat And Thermodynamics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Heat And Thermodynamics MCQs on Bissoy. Bissoy App

• What is sublimation?
  ক

  It is the process of conversion of a liquid into gas

  খ

  It is the process of conversion of a solid into liquid

  গ

  It is the process of conversion of a solid into vapour

  ঘ

  It is the process of conversion of a gas into liquid
• What is the freezing point of water on Kelvin scale?
  ক

  173.15 K

  খ

  373.15 K

  গ

  473.15 K

  ঘ

  273.15 K
• Which one of the following instruments is used for measuring moisture content of air?
  ক

  Hydrometer

  খ

  Hygrometer

  গ

  Hypsometer

  ঘ

  Pycnometer
• Which of the following produces more severe burns?
  ক

  Boiling water

  খ

  Hot water

  গ

  Steam

  ঘ

  Melting icebergs
• The temperature of the sun is measured with
  ক

  platinum thermometer

  খ

  gas thermometer

  গ

  pyrometer

  ঘ

  vapour pressure thermometer
• Which of the following is not a conductor of electricity?
  ক

  Ceramic

  খ

  aluminium

  গ

  Tungsten

  ঘ

  Nickel
• In which of the following phenomena do heat waves travel along a straight line with the speed of light?
  ক

  Thermal conduction

  খ

  Thermal convention

  গ

  Thermal radiation

  ঘ

  Both A and C
• Which one of the following processes is not a part of long-wave radiation?
  ক

  Conduction

  খ

  Scattering

  গ

  Convection

  ঘ

  Radiation
• Under which condition real gas can work as an ideal gas?
  ক

  High pressure and low temperature

  খ

  Low pressure and high temperature

  গ

  High pressure and high temperature

  ঘ

  Low pressure and low temperature
• Why are dewdrops not formed on a cloudy night?
  ক

  Clouds absorb the radiation released from the Earth's surface

  খ

  Clouds reflect back the Earth's radiation

  গ

  The Earth's surface would have low temperature on cloudy nights

  ঘ

  Clouds deflect the blowing wind to ground level
• Surface water of a lake is about to freeze. What will be the temperature (in °C) of water at the bottom of the lake?
  ক

  0

  খ

  -1

  গ

  1

  ঘ

  4
• Which one of the following has the highest value of specific heat?
  ক

  Glass

  খ

  Copper

  গ

  Lead

  ঘ

  Water
• A black body can absorb radiations of
  ক

  lower wavelengths only

  খ

  intermediate wavelengths only

  গ

  higher wavelengths only

  ঘ

  all wavelengths