NEET Physics Zeroth law and First Law of Thermodynamics MCQs Set A

Question:  First law of thermodynamics states that a) heat is a form of energy b) system has pressure c) system has temperature d) system can do work Answer: heat is a form of energy   Question:  A system X is neither in thermal equilibrium…

NEET Physics Thermodynamics MCQs Set A

Question: a) 2 b) 1 c) 3 d) 4 Answer: 2   Question: If an average person jogs, he produces 14.5 × 103 cal/min. This is removed by the evaporation of sweat. The amount of sweat evaporated per minute (assuming 1 kg requires 580 × 103 cal for evaporation)…

NEET Physics Specific Heat Capacity and Thermodynamical Processes MCQs Set B

Question: Assertion : When a bottle of cold carbonated drink is opened a slight fog forms around the opening. Reason : Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours. a) Assertion is correct, reason is correct; reason is a…

NEET Physics Specific Heat Capacity and Thermodynamical Processes MCQs Set A

Question:  The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at constant volume because a) work is done in the expansion of the gas at constant pressure. b) work is done in the expansion of the gas at constant volume…

NEET Physics Carnot Engine Refrigerator and Second Law of Thermodynamics MCQs Set A

Question: The first operation involved in a Carnot cycle is a) isothermal expansion b) adiabatic expansion c) isothermal compression d) adiabatic compression Answer: isothermal expansion   Question: “Heat cannot by itself flow from a body at lower…