question_answer

A black body has a wavelength of \[\lambda \] temperature 2000 K. Its corresponding wavelength at temperature 3000 K will be

A)  \[\frac{2\lambda }{3}\]                                

B)         \[\frac{3\lambda }{2}\]

C)         \[\frac{4\lambda }{9}\]                                

D)         \[\frac{5\lambda }{9}\]