Gce Model Questions Vol1 2022 Physics Question 38
Practice objective / multiple choice question 38 from the 2022 Gce Model Questions Vol1 Physics examination.
In a double‑slit experiment the slit separation is \(d=0.30\ \text{mm}\) and the screen is \(D=1.5\ \text{m}\) from the slits. Monochromatic light of wavelength \(\lambda=600\ \text{nm}\) produces a central maximum at the centre of the screen. A thin transparent film of refractive index \(n=1.50\) and unknown thickness \(t\) is placed over one of the slits, causing the central maximum to shift upward by \(2.0\ \text{mm}\). Determine the thickness \(t\) of the film.
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About This Question
This is Gce Model Questions Vol1 2022 Physics Question 38. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Physics examination.
Difficulty level: Hard .
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