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CG PET Refraction — practice questions

3 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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When light passes from one medium to another, which property remains **unchanged**?The **wavelength** of light of wavelength 600 nm in air becomes (in water, n = 1.33) approximately:White light (400–700 nm) passes through a glass of refractive index 1.55. The wavelength range observed in the