Randall D. Knight — Superposition: Problem Problem_67

Scientists are testing a transparent material whose index of refraction for visible light varies with wavelength as \( n = 30.0 \text{ nm}^{1/2}/\lambda^{1/2} \), where \( \lambda \) is in nm. If a 295-nm-thick coating is placed on glass (\( n = 1.50 \)), for what visible wavelengths will the reflected light have maximum constructive interference?