CUET · PHYSICS · PYQ PAPER 2023
The refractive index of a glass prism is minimum for
- A Red
- B Green
- C Yellow
- D Violet
Answer & Solution
Correct Answer
(A) Red
Step-by-step Solution
Detailed explanation
The refractive index ( \(n\) ) is inversely proportional to the wavelength ( \(\lambda\) ) of light according to Cauchy's formula. Since red light has the longest wavelength in the visible spectrum, it experiences the lowest refractive index and is bent the least by the prism.…
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