A black body has maximum wavelength lamda_(m) at 2000 K. Its corresponding wavelength at 3000 K will be . . . . . ..

A black body has maximum wavelength lamda_(m) at 2000 K. Its correspon

1.	A black body has maximum wavelength lamda_(m) at 2000 K. Its corresponding wavelength at 3000 K will be . . . . . ..
Answer» `2/3lamda_(m)` `3/2lamda_(m)` `4/9lamda_(m)` `9/4lamda_(m)` Solution :According to Wien.s law, `lamda_(m)T=b" (CONSTANT)"` `:.(lamda_(m))_(1)T_(1)=(lamda_(m))_(2)T_(2)` `:.(lamda_(m))_(2)=((lamda_(m))_(1)T_(1))/(T_(2))` `=(lamda_(m)xx2000)/(3000)` `=2/3lamda_(m)`