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Discipline: Physics

Question topic: Geometric and Physical Optics: Interference and Diffraction

Source: Originais Teachy

Level of difficulty: Medium

(Originais Teachy 2023) - Question Medium of Physics

A Physics student performed the Young's Experiment to demonstrate the phenomenon of interference of light waves. He used two slits separated by a distance 'd' and positioned a screen at a distance 'L' from the slits. Using a monochromatic laser with a wavelength 'λ', the student observed the interference pattern formed on the screen. Determine the distance 'y' between the first two consecutive interference maxima on the screen, in terms of 'λ', 'd', and 'L'.
a.
y = (Lλ)/d
b.
y = (Ld)/λ
c.
y = L(λ+d)
d.
y = λ(d/L)
e.
y = Lλd

Answer:

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Geometric and Physical Optics: Interference and Diffraction
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