Maximum wavelength of radiations from Sun and Moon are 25Å and 0.5xx10^(-6)m respectively ratio of their temperature is. . . .. .

Maximum wavelength of radiations from Sun and Moon are 25Å and 0.5xx1

1.	Maximum wavelength of radiations from Sun and Moon are 25Å and 0.5xx10^(-6)m respectively ratio of their temperature is. . . .. .
Answer» `1:1000` `1:2000` `200:1` `400:1` SOLUTION :From Wein.s displacement LAW, `lamda_(m)T=` constant `:.(lamda_(m))_(s)T_(s)=(lamda_(m))_(m)T_(m)` `:.(T_(s))/(T_(m))=((lamda_(m))_(m))/((lamda_(m))_(s))=(0.5xx10^(-6))/(25xx10^(-10))` `=0.02xx10^(4)` `=200:1`