what is speed of the light in water

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Solution

Dear student,
Speed of light in vacuum is 300,000 kilometres per second, it slows down in water 225,000 kilometres per second in water due to refractive index of water ( i. e. 1.3) .
Regards,

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Q. For a colour of light, the wavelength in air is

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what is speed of the light in water

Dear student, Speed of light in vacuum is 300,000 kilometres per second, it slows down in water 225,000 kilometres per second in water due to refractive index of water ( i. e. 1.3) . Regards, ​​​​​​​

Dear student,
Speed of light in vacuum is 300,000 kilometres per second, it slows down in water 225,000 kilometres per second in water due to refractive index of water ( i. e. 1.3) .
Regards,