FY Sem-2 Physics Minor_S1

What is the branch of physics that deals with changes in the properties of systems due to work and heat energy?

• Optics

• Electromagnetism

• Thermodynamics

• Kinematics

What is the concept that determines whether the temperatures of two systems are equal?

• Thermal expansion

• Thermal equilibrium

• Thermal conductivity

• Thermal insulation

What type of wall allows energy to be exchanged between two systems?

• Diathermic wall

• Adiabatic wall

• Insulating wall

• Reflective wall

What law states that if systems A and B are each in thermal equilibrium with a third system C, then A and B are in thermal equilibrium with each other?

• Third law of thermodynamics

• Second law of thermodynamics

• First law of thermodynamics

• Zeroth law of thermodynamics

What is the absolute zero of temperature defined as on the Kelvin scale?

• 0 °C

• 0 K

• 273.15 K

• 100 K

Which temperature scale is universally adopted as fundamental in physics?

• Kelvin scale

• Rankine scale

• Celsius scale

• Fahrenheit scale

What is the freezing point of water in Kelvin?

• 373.15 K

• 273.15 K

• 0 K

• 100 K

What is the relationship between Celsius and Kelvin temperatures?

• T_C = T + 273.15

• T_C = T - 100

• T_C = T - 273.15

• T_C = 1.8T + 32

What is the normal boiling point of water at atmospheric pressure in Kelvin?

• 212 K

• 373.15 K

• 100 K

• 273.15 K

What is the primary thermometric property used in a constant-volume gas thermometer?

• Pressure of gas

• Volume of gas

• Temperature of gas

• Density of gas