Experiment No 2 (Part 2) Single and Double Slit Diffraction Name: Prachi Chaudhary Enrollment number: Btech 2nd year #33 Date: 27th Aug 2012 Observations Wavelength of He-Ne laser is λ = 632.8 nm. Part I: Single Slit Diffraction Distance between single slit and detector is D = .739 m ( 73.9 cm ). |S.No. |Position of detector (cm) |Detector’s reading | |1. |0.021
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Festa Buçinca 1647205 Phys 222 EXPERIMENT 4 diffraction and interference Purpose: The aim of doing this experiment was to examine diffraction and interference effects of light passing through various apertures‚ and use the diffraction patterns obtained by single and double slit apertures to find the wavelength of the light source used. Theory: We know that light can be described by two theories‚ namely the particle theory and the wave theory of light‚ each having its own experimental
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[3] This superposition of waves can be observed as interference and diffraction when light passes through apertures or obstacles. When light breaks up as it passes through an aperture or an obstacle‚ a diffraction pattern is observed. The regions in the pattern where light is visible are called the maxima. On the other hand‚ the regions where light is invisible are called the minima. In a slit and screen setup‚ a relationship between the slit width (α)‚ order of the minimum (m)‚ wavelength of
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Texture of a Hair Strand using Single-Slit Diffraction Stephen Flores1‚ Ailene Gonzales2 Department of Physics‚ University of San Carlos‚ Nasipit‚ Talamban‚ Cebu City 6000 1step.upflores@yahoo.com 2avg08_1s2 @yahoo.com Abstract This paper presents the utilization of the single slit-diffraction phenomena in analyzing the physical characteristics of a hair strand. Hair samples with various macroscopic textures were used as barriers to produce a diffraction pattern where the distance
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YOUNG’S DOUBLE SLIT EXPERIMENT Interference Patterns This report will be performed by a group of 3 students viz. Harleen Kaur‚ Rutvi Patel and Sandhya‚ determining the wavelength of light from a laser using a double – slit slide. The laser was shone through the double – slit such that it projected interference pattern onto the paper screen. The experiment will be repeated three times varying the distance between the slit and the screen to understand the effective relationships. The expected wavelength
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Huygens’ Principle‚ Interference and Diffraction Huygens’ Principle In 1678‚ a Dutch physicist‚ Christian Huygens‚ studied wave behavior and proposed that the wavefronts of light waves spreading out from a point source can be regarded as the overlapped crests of tiny secondary waves – that wavefronts are made up of tinier wavefronts. Wavefronts are an array of identical waves that have the same source and travels through a homogeneous medium‚ thus their corresponding crests and troughs are in the
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Young’s double slits Formal Lab Florencia Shi Purpose: The double slits experiment was conducted to observe the interference of light waves‚ to explore how interference pattern would be affected by different colours‚ and to determine whether interference would change if the angle of slits was changed horizontally or vertically. Hypothesis: Dark and light bands would be seen‚ and red light causes wider nodal spacing‚ while blue light causes shorter nodal spacing. Materials: In this experiment
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Diffraction refers to various phenomena which occur when a wave encounters an obstacle. In classical physics‚ the diffraction phenomenon is described as the apparent bending of waves around small obstacles and the spreading out of waves past small openings. Similar effects occur when a light wave travels through a medium with a varying refractive index‚ or a sound wave travels through one with varying acoustic impedance. Diffraction occurs with all waves‚ including sound waves‚ water waves‚ and electromagnetic
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X-Ray Diffraction X-ray powder diffraction (XRD) is a rapid analytical technique primarily used for phase identification of a crystalline material and can provide information on unit cell dimensions. The analyzed material is finely ground‚ homogenized‚ and average bulk composition is determined. Fundamental Principles of X-ray Diffraction Max von Laue‚ in 1912‚ discovered that crystalline substances act as three-dimensional diffraction gratings for X-ray wavelengths similar to the spacing of
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comes to single and double parent households. Sometimes it takes one strong parent and others it takes two strong parents. Whether it’s the birth parent(s)‚ family member(s)‚ or even a surrogate parent(s) to raise a child. Single and double parent households have a lot in common and differences. Many would agree that living in a double parent household would be better then living in a single parent household. I guess it all depends on the situation and what you make out of it. Single parent households
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