![The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 µm](https://www.gkseries.com/blog/wp-content/uploads/2023/10/The-peak-wavelength-of-radiation-emitted-by-a-black-body-at-a-temperature-of-2000-K-is-1.45-µm.jpg)
Q. The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 µm. If the peak wavelength of emitted radiation changes to 2.90 µm, then the temperature (in K) of the black body is
(A) 500 (B) 1000 (C) 4000 (D) 8000
Ans: 1000