Physics
Surface Tension and Capillarity MCQs with Answer
What is the primary cause of surface tension? a) Gravitational force b) Adhesive forces between molecules c) Cohesive forces between…
Read More »Streamline and Turbulent Flow MCQs with Answer
Which of the following is a characteristic of streamline flow? a) Irregular motion of fluid particles b) Smooth and orderly…
Read More »Reynolds Number and Fluid Motion MCQs with Answer
What does the Reynolds number indicate in fluid mechanics? a) The velocity of fluid flow b) The type of flow…
Read More »Applications of Fluid Mechanics MCQs with Answer
In which of the following applications is Bernoulli’s principle used? a) Hydroelectric power plants b) Airplane wings c) Water supply…
Read More »Temperature and Heat MCQs with Answer
What is the SI unit of temperature? a) Celsius b) Kelvin c) Fahrenheit d) Joule Which of the following is…
Read More »Thermal Expansion MCQs with Answer
What happens to the volume of a substance when it is heated? a) It decreases b) It remains constant c)…
Read More »Heat Transfer – Conduction, Convection, Radiation MCQs with Answer
Which of the following is the method of heat transfer that does not require a medium? a) Conduction b) Convection…
Read More »First Law of Thermodynamics MCQs with Answer
Which of the following is the statement of the first law of thermodynamics? a) Energy can be created b) Energy…
Read More »Second Law of Thermodynamics MCQs with Answer
Which of the following is the statement of the second law of thermodynamics? a) Energy can neither be created nor…
Read More »Carnot Engine and Efficiency MCQs with Answer
What is the Carnot engine? a) A heat engine operating between two temperatures b) A machine used to produce electricity…
Read More »Entropy and Spontaneity MCQs with Answer
Which of the following is true about entropy in a closed system? a) Entropy decreases over time b) Entropy remains…
Read More »Specific Heat Capacity and Calorimetry MCQs with Answer
What is the unit of specific heat capacity? a) Joules per kilogram per degree Celsius (J/kg°C) b) Joules per kilogram…
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