The thickness of a plate having refractive index 'u' which will produce a change in optical path equal to half the wavelength 'λ' of the light passing through it is - VgyanHub

Question:

The thickness of a plate having refractive index ‘u’ which will produce a change in optical path equal to half the wavelength ‘λ’ of the light passing through it is

Options :

(a) λ/(u-1)
(b) λ/4(u-1)
(c) 3λ/4(u-1)
(d) λ/2(u-1)

Answer :

(d) λ/2(u-1)

Answer Steps :

step 1

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