Electromagnetic radiation of frequency n...

Electromagnetic radiation of frequency `n`, wavelength `lambda`, travelling with velocity v in air, enters a glass slab of refractive index `mu`. The frequency, wavelength and velocity of light in the glass slab will be respectively

`n,2lamdaandv/mu`

`(2n)/mu,lamda/muandv`

`n/mu,lamda/muandv/mu`

`n,lamda/muandv/mu`

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