David Sang and Graham Jones Solutions for Chapter: Astronomy and Cosmology, Exercise 4: Questions

Use the data given in Figure to show the validity of Wien's displacement law for $5000 \mathrm{K}$ and $4000 \mathrm{K}$.

The intensity- wavelength graph depends on the temperature of the object. For an object at a thermodynamic temperature $T$, the intensity against wavelength curve peaks at a wavelength ${\lambda }_{max}$.

For a temperature of $5800 \mathrm{K}$, the wavelength at peak intensity of electromagnetic radiation is $500 \mathrm{nm}$. Calculate the surface temperature of a star with wavelength $350 \mathrm{nm}$ at peak intensity.

Use Wien's displacement law to complete the table. Write your answers to two significant figures.