ThermodynamicsHard
Question
A black body has maximum wavelength λm at 2000 K. Its corresponding wavelength at 3000 K is:
Options
A.
λm
λmB.
λm
λmC.
λm
λmD.
λm
λmSolution
Applying Wein′s displacement law,
λm T = Constant
λ1m T1 = λ2mT2
λm2000 = λ × 3000
λ = λm
λm T = Constant
λ1m T1 = λ2mT2
λm2000 = λ × 3000
λ =
λmCreate a free account to view solution
View Solution FreeMore Thermodynamics Questions
For a gas Cv = 4.96 cal/mole K, the increase in internal energy of 2 mole gas in heating from 340 K to 342 K will be :-...The density of a substance at 0oC is 10g / cc and at 100oC, its density is 9.7g/cc. The coefficient of linear expansion ...In an isothermal thermodynamical process, the value of work done by a system is...When a gas is adiabatically compressed then it′s temp. increase because : -...During the adiabatic expansion of two moles of a gas the internal energy of a gas found to decreases by 2 joule. The wor...