In Young's double slit experiment. light of wavelength 480 {nm} is incident on two slits separated by a distance of 4 \times 10^{-4} {m}. If a thin plate of thickness 1.4 \times 10^{-6} {m} and refractive index \binom{13}{/}{7} is placed between one of the slits and screen. the phase difference introduced at the position of central maxima is

AP EAPCET 07-Jul-2022 Shift 1 Paper

Section: Physics

Question : 103 of 160

Marks: +1, -0

In Young's double slit experiment. light of wavelength 480nm is incident on two slits separated by a distance of 4×10−4m. If a thin plate of thickness 1.4×10−6m and refractive index ‌13/7 is placed between one of the slits and screen. the phase difference introduced at the position of central maxima is

5π
7
3
π
7
4
π
4π

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