What will happen to the focal length of a lens when the colour of inci

1.	What will happen to the focal length of a lens when the colour of incident radiation is change
Answer» Answer: The focal length of the LENS varies DIRECTLY with the WAVELENGTH of the light used and as wavelength is inversely related to REFRACTIVE index, the focal length ALSO varies inversely with it. This is the principal cause of the phenomena of chromatic aberration. The frequency of light has no effect on the focal length

What will happen to the focal length of a lens when the colour of incident radiation is change

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Answer:

The focal length of the LENS varies DIRECTLY with the WAVELENGTH of the light used and as wavelength is inversely related to REFRACTIVE index, the focal length ALSO varies inversely with it. This is the principal cause of the phenomena of chromatic aberration. The frequency of light has no effect on the focal length

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What will happen to the focal length of a lens when the colour of incident radiation is change

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