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प्रश्न
If three identical prisms are combined, is it possible to pass a beam that emerges undeviated? Undispersed?
टिप्पणी लिखिए
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उत्तर
No, it is not possible even when prisms are be combined with their refractive angle reversed with respect to each other. There will be at least a net deviation and dispersion equal to the dispersion and deviation produced by a single prism.
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