At what wavelength would a star radiate the greatest amount of energy if the star has a surface temperature of 10,000 K? A) 10 nm B) 100 nm C) 300 nm D) 1.0 × 10⁴ nm E) 3.0 × 10¹⁰ nm

Question

Quizplus · Accepted Answer

According to Wien's Law, the peak wavelength (λ_max) is inversely proportional to the temperature (T) of the star. λ_max = b/T, where b is Wien's constant (approximately 2.9 × 10^6 nm·K). For a temperature of 10,000 K, λ_max = 2.9 × 10^6 nm·K / 10,000 K = 290 nm, which is closest to 300 nm.

At What Wavelength Would a Star Radiate the Greatest Amount