In construction, infrared receivers are used to detect defects in finished structures. Determine the wavelength range of an infrared receiver intended for examining bodies with a temperature change within the range of -10 ° C to 40 ° C.

Detailed solution with a short recording of the conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
If you have any questions about the solution, write. I try to help.