What is the frequency of the most intense radiation from an object with temperature 100°C? The constant in Wien's law is 0.0029 m ∙ K.(c = 3.0 × 10⁸ m/s) A)2.9 × 10^-5 Hz B)3.9 × 10¹³ Hz C)1.0 × 10¹³ Hz D)1.0 × 10¹¹ Hz

Question

Quizplus · Accepted Answer

According to Wien's displacement law, the frequency of maximum radiation is given by:

f_max = c/λ_max = 0.0029 m ∙ K / (100+273) K

where λ_max is the wavelength of the maximum intensity radiation. Solving for f_max:

f_max = 3.9 × 10^13 Hz

Therefore, the answer is B.

What Is the Frequency of the Most Intense Radiation from an Object