For the moon, the wavelength corresponding to the maximum specral emissive power is 14 microns. If the Wien's constant `b=2.884 xx10^(-3)mK`, then the temperature of the moon is close to

For the moon, the wavelength corresponding to the maximum spectral emissive power is 14 microns. If the Wien's constant b=2.884 xx10^(-3)mK , then the temperature of the moon is close to

If the wavelength corresponding to maximum energy radiated from the moon is 14 micron, and wien's constant is 2.8xx10^(-3)mK , then temperature of moon is

Light from the moon, is found to have a peak (or wevelenght of maximum emission) at lambda = 14 mu m . Given that the Wien's constant b equals 2.8988 xx 10^(-3) mK , estimate the temperature of the moon.

Find the wavelength at which a black body radiates maximum energy, if its temperature is 427^(@) C. (Wein's constant b=2.898 xx 10^(-3) mK )

Black body at a temperature of 1640K has the wavelength corresponding to maximum emission equal to 1.75mu m Assuming the moon to be a perfectly black body the temperature of the moon if the wavelength corresponding to maximum emission is 14.35mum is .

Two bodies A and B have thermal emissivities of 0.01 and 0.81 respectively. The outer surface areas of the two bodies are same. The two bodies emit total radiant power at the same rate. The wavelength lambda_B corresponding to maximum spectral radiancy from B is shifted from the wavelength corresponding to maximum spectral radiancy in the radiation from A by 1.0 mum . If the temperature of A is 5802 K, calculate (a) the temperature of B, (b) wavelength lambda_B .

Two stars A and B of same size, have thermal emissivities of 0.2 and 0.64 respectively. Both stars emit total radiant power at same rate. If the temperature of A is 5000 K and the wavelength lamda_(B) corresponding to maximum spectral radiancy in the radiation from B is shifted from the wavelength corresponding to maximum spectral radiancy in radiations from A by 2.0 mu m, then find the temperature of star B and wavelength lamda_(B) .

The surface temperature of a black body is 1200 K. What is the wavelength corresponding to maximum intensity of emission of radiation if Wien's constant b = 2.892xx10^(-3)mK ?

Two bodies A and B having equal outer surface areas have thermal emissivity 0.04 and 0.64 respectively. They emit total radiant power at the same rate. The difference between wavelength corresponding to maximum spectral radiance in the radiation from B and that from A is 2 mum . If the temperature of A is 6000 K, then

A spherical shell is kept in an atmosphere at temperature T_(0) . The wavelength corresponding to maximum intensity of radiation for the shell is lambda_(0) . A point source of constant power is switched on inside the shell. The power radiated by the source is P = 04sigmaSeT_(0)^(4) where S, e and sigma are outer surface area of the shell, emissivity of the outer surface of the shell and Stefan’s constant respectively. Calculate the new wavelength (lambda) corresponding to the maximum intensity of radiation from the shell. Assume that change in temperature (DeltaT) of the shell is small compared to the ambient temperature T_(0) .