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Need help with 4. If the wavelength of a monochromatic source is 490 nm in vacuum,...

Need help with

4. If the wavelength of a monochromatic source is 490 nm in vacuum, what is the wavelength from the same source when it passes through a liquid where the velocity of light is 2.2 x 108 m/s?

a. 359 nm

b. 613 nm

c. 490 nm

d. 392 nm

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Answer #1

Solution (4) given: wavelength in vacuum is de: 490 mm Linm = 10 m DE 490 x 69mn velocity of light in siquid in V = 2.2×108 m

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