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# Light of a Certain Wavelength Has a Wave Number V in Vacuum. Its Wave Number in a Medium of Refractive Index N is - Physics

#### Question

Light of a certain wavelength has a wave number barv in vacuum. Its wave number in a medium of refractive index n is _______.

##### Options
• n/barv

• 1/(nbarv)

• barv/n

• nbarv

#### Solution

nbarv

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