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Wave Optics

19 questions · Physics · JEE Advanced

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JEE Advanced
Physics
Wave Optics

Wave Optics

19 questions · Physics · JEE Advanced

Consider a system of three connected strings, $S_{1}, S_{2}$ and $S_{3}$ with uniform linear mass densities $μ kg / m, 4 μ kg / m$ and $16 μ kg / m$ , respectively, as shown in the… Includes diagram2025 · Shift 1 · Q39 · Multiple correct
A single slit diffraction experiment is performed to determine the slit width using the equation, $\frac{b d}{D} = mλ$ , where $b$ is the slit width, $D$ the shortest distance between the slit and the screen, $d$ the distance between…2025 · Shift 1 · Q44 · Numerical
In a Young's double slit experiment, a combination of two glass wedges $A$ and $B$ , having refractive indices 1.7 and 1.5, respectively, are placed in front of the slits, as shown in the figure. The separation between the slits is $d = 2 mm$ … Includes diagram2025 · Shift 2 · Q46 · Numerical
A point source $S$ emits unpolarized light uniformly in all directions. At two points $A$ and $B$ , the ratio $r = I_{A} / I_{B}$ of the intensities of light is 2 . If a set of two polaroids having $4 5^{\circ}$ angle…2024 · Shift 1 · Q44 · Numerical
In a Young's double slit experiment, each of the two slits A and B, as shown in the figure, are oscillating about their fixed center and with a mean separation of $t$ . The distance between the slits at time $t$ is given by $d = (0.8 + 0.04 sin ω t) mm$ … Includes diagram2024 · Shift 2 · Q48 · Numerical
In a Young's double slit experiment, each of the two slits A and B, as shown in the figure, are oscillating about their fixed center and with a mean separation of $t$ . The distance between the slits at time $t$ is given by $d = (0.8 + 0.04 sin ω t) mm$ … Includes diagram2024 · Shift 2 · Q49 · Numerical
A double slit setup is shown in the figure. One of the slits is in medium 2 of refractive index $n_{2}$ . The other slit is at the interface of this medium with another medium 1 of refractive index $n_{1} (e q n_{2})$ . The line… Includes diagram2022 · Shift 2 · Q49 · Multiple correct
A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale) Includes diagram2020 · Shift 1 · Q53 · MCQ
In a Young's double slit experiment, the slit separation d is 0.3 mm and the screen distance D is 1 m. A parallel beam of light of wavelength 600 nm is incident on the slits at angle $α$ as shown in figure. On the screen, the point O… Includes diagram2019 · Shift 2 · Q42 · Multiple correct
Two coherent monochromatic point sources $S_{1}$ and $S_{2}$ of wavelength $λ = 600 nm$ are placed symmetrically on either side of the center of the circle as shown. The sources are separated by a distance $d = 1.8 mm .$ This… Includes diagram2017 · Shift 2 · Q38 · Multiple correct
While conducting the Young's double slit experiment, a student replaced the two slits with a large opaque plate in the XY-plane containing two small holes that act as two coherent point sources (S1, S2) emitting light of wavelength 600 mm.… Includes diagram2016 · Shift 2 · Q48 · Multiple correct
A Young's double slit interference arrangement with slits S1 and S2 is immersed in water (refractive index = 4/3) as shown in the figure. The positions of maxima on the surface of water are given by x2 = p2m2 $λ$ 2 $-$ d2, where $λ$ … Includes diagram2015 · Shift 1 · Q47 · Numerical
A light source, width emits two wavelengths $λ$ 1 = 400 nm and $λ$ 2 = 600 nm, is used in a Young's double-slit experiment. If recorded fringe widths for $λ$ 1 and $λ$ 2 are $β$ 1 and $β$ 2 and the number of…2014 · Shift 1 · Q49 · Multiple correct
In the Young's double-slit experiment using a monochromatic light of wavelength $λ$ , the path difference (in terms of an integer n) corresponding to any point having half the peak intensity is2013 · Shift 1 · Q56 · MCQ
Young's double slit experiment is carried out by using green, red and blue light, one colour at a time. The fringe widths recorded are $β$ G, $β$ R and $β$ B, respectively. Then,2012 · Shift 1 · Q51 · MCQ
A light ray travelling in glass medium is incident on glass-air interface at an angle of incidence $θ$ . The reflected (R) and transmitted (T) intensities, both as function of $θ$ , are plotted. The correct sketch is2011 · Shift 2 · Q50 · MCQ
Column I shows four situations of standard Young's double slit arrangement with the screen placed far away from the slits S $_{1}$ and S $_{2}$ . In each of these cases, S $_{1}$ P $_{0}$ = S $_{2}$ P $_{0}$ , S $_{1}$ P $_{1} -$ S $_{2}$ P $_{1}$ = $λ /4$ … Includes table Includes diagram2009 · Shift 2 · Q49 · MCQ
In a Young's double slit experiment, the separation between the two slits is d and the wavelength of the light is $λ$ . The intensity of light falling on slit 1 is four times the intensity of light falling on slit 2. Choose the…2008 · Shift 1 · Q56 · Multiple correct
The figure shows surface XY separating two transparent media, medium -1 and medium -2 . The lines ab and cd represent wavefronts of a light wave traveling in medium -1 and incident on X Y. The lines ef and gh represent wavefronts of the… Includes diagram2007 · Shift 2 · Q27 · MCQ