Question

The wavelength range of thermal radiation is
A. from 4000 Å to 7000 Å
B. from 7700 Å to `4xx10^(6)` Å
C. from `10^(6)` Å to `10^(8)` Å
D. from `4xx10^(-12)` Å to `4xx10^(8)` Å

Answer 1

Correct Answer - B