The correct options are
B the maximum intensity radiation will be at frequency
2vm D the total emitted energy will increase by a factor of
16We know that from wein"s displacement law.
λmaxT=constant------------(1)
Also, we know that, velocity=frequency×wavelength
So, we can get f∝1λ[keeping the velocity constant]
By putting in equation (1), we will find Tf=constant, where f=vm
Hence, we can say that T=f, so by increasing the magnitude of temperature twice, simultaneously frequency will also be increased with an equal magnitude.
Also, we know that energy emitted by any body is given as: E=σT4, where σ=Stefan−Boltzmann Constant
E∝T4, E=(2T)4=(16T4)