Neco Model Questions Vol1 2022 Physics Question 44
Practice objective / multiple choice question 44 from the 2022 Neco Model Questions Vol1 Physics examination.
A triangular glass prism has an apex angle \(A = 60^{\circ}\). Its refractive index for light of wavelength \(\lambda\) (in nanometres) is given by \(n(\lambda)=1.6+\dfrac{4000}{\lambda^{2}}\). Light travels in air and passes through the prism. (a) Find the angle of minimum deviation \(D_{\min}\) for light of wavelength \(600\;\text{nm}\). (b) Determine the angular separation between the minimum deviations of the \(600\;\text{nm}\) and \(500\;\text{nm}\) wavelengths. Express your answers in degrees (to one decimal place).
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About This Question
This is Neco Model Questions Vol1 2022 Physics Question 44. It is one of the objective questions from the 2022 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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