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प्रश्न
State the phenomena observed in the above diagram. Explain with reference to the diagram, which of the two lights mentioned above will have the higher wavelength?
संक्षेप में उत्तर
उत्तर
Dispersion - The splitting of white light into seven colours on passing through a prism.
Velocity is directly proportional to wavelength given constant frequency. So yellow will have greater wavelength than blue as the velocity of yellow light is greater than blue.
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