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State and prove Kirchoff’s law of heat radiation.
Concept: Kirchhoff’s Law of Heat Radiation and Its Theoretical Proof
On what factors do the degrees of freedom depend?
Concept: Law of Equipartition of Energy
Explain the spectral distribution of blackbody radiation.
Concept: Spectral Distribution of Blackbody Radiation
In an ideal gas, the molecules possess ______.
Concept: Interpretation of Temperature in Kinetic Theory
The average energy per molecule is proportional to ______
Concept: Gases and Its Characteristics
Under which condition laws of Boyle, Charles, and Gay-Lussac are valid?
Concept: Interpretation of Temperature in Kinetic Theory
On what, the values of absorption coefficient, reflection coefficient, and transmission coefficient depend, in addition to the material of the object on which the radiation is an incident?
Concept: Interpretation of Temperature in Kinetic Theory
Above what temperature, all bodies radiate electromagnetic radiation?
Concept: Interpretation of Temperature in Kinetic Theory
Show the graphical representation of radiant power of a black body per unit range of wavelength as a function of wavelength.
Concept: Perfect Blackbody
1000 calories of radiant heat are incident on a body. If the body absorbs 400 calories of heat, find the coefficient of emission of the body.
Concept: Emission of Heat Radiation
Explain the construction and working of Ferry’s black body.
Concept: Perfect Blackbody
Derive an expression for the pressure exerted by a gas on the basis of the kinetic theory of gases.
Concept: Expression for Pressure Exerted by a Gas
The period of a conical pendulum in terms of its length (l), semi-vertical angle (θ) and acceleration due to gravity (g) is ______.
Concept: Some Systems Executing Simple Harmonic Motion
Answer in brief.
Why should a Carnot cycle have two isothermal two adiabatic processes?
Concept: Thermodynamic Process
Draw a p-V diagram and explain the concept of positive and negative work. Give one example each.
Concept: Heat Engine
Heating a gas in a constant volume container is an example of which process?
Concept: Thermodynamic Process
What is a thermodynamic process?
Concept: Thermodynamic Process
Explain the cyclic process.
Concept: Thermodynamic Process
3 mole of a gas at temperature 400 K expands isothermally from an initial volume of 4 litres to a final volume of 8 litres. Find the work done by the gas. (R = 8.31 J mol-1 K-1)
Concept: Thermodynamic Process
Explain the thermodynamics of the isobaric process.
Concept: Thermodynamic Process
