Interference and Diffraction EX-5545 Page 1 of 8 Interference and Diffraction of Light Equipment: 1 1 1 1 1 1 1 1 1 INCLUDED: Basic Optics Track‚ 1.2 m High Precision Diffraction Slits Basic Optics Diode Laser Aperture Bracket Linear Translator High Sensitivity Light Sensor Rotary Motion Sensor 850 Universal Interface PASCO Capstone OS-8508 OS-8453 OS-8525A OS-8534B OS-8535 PS-2176 PS-2120 UI-5000 UI-5400 Introduction: The interference maxima for double slits is measured by scanning the
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1. This question is about lasers. (a) With reference to the light waves emitted by a laser‚ state what is meant by the terms (i) monochromatic. ........................................................................................................................... ........................................................................................................................... (1) (ii) coherent. ...............................................................................
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Theory for Thick Hologram Gratings By HERWIG KOGELNIK (Manuscript received A thick May 23‚ 1969) coupled wave analysis is given of the Bragg diffraction of light by hologram gratings‚ which is analogous to Phariseau ’s treatment of acoustic gratings and to the "dynamical" theory of X-ray diffraction. The theory remains valid for large diffraction efficiencies where the incident wave is strongly depleted. It is reflection holograms. Spatial applied to transmission holograms and to
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Namee: Paul G. Zamora (Homework in Performance Techniques) Sound Waves- A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air‚ water‚ or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration‚ such as a ringing telephone‚ or a person’s vocal chords. The vibration disturbs the particles in the surrounding medium; those particles disturb those next to them
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EXPERIMENT: 1 Object: To find the wavelength of Sodium light by Newton’s ring. Apparatus required: A Plano convex lens of large radius of curvature‚ optical arrangement for Newton’s rings‚ plane glass plate; sodium lamp and traveling microscope. Formula used: The wavelength of light is given by the formula λ =D n2+p –Dn2 / 4pR Where D n+p = diameter of (n+p)th ring Dn = diameter of n th ring‚ P = an integer number‚ R = radius of curvature of the curved face of the Plano- convex lens.
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3B Wave Motion II 5 Chapter 5 Nature of Waves Practice 5.1 (p. 7) 1 B 2 D 3 (a) Transverse wave 11 Speed = f = 5 0.2 = 1 m s1 1 1 (ii) Period = = = 0.2 s f 5 (a) (i) (b) A heavier string (length unchanged) has greater mass per unit length. Therefore‚ (b) Longitudinal wave 4 (a) Water wave and EM wave (b) Sound wave 5 12 For case I‚ energy is transferred to the cork directly from the stone. For case II‚ energy is transferred to the cork through water waves. 6 = 1.6667 = 1
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noncrystalline solid which their components not organized in lattice pattern. • Such as glass‚ plastic‚ gel Question 1. X rays from a copper X-ray tube (λ = 154) were diffracted at an angle of 14.22 degrees by a crystal of silicon. Assuming firstorder diffraction (n= 1 in the Bragg equation)‚ What is the interlunar spacing of silicon? nλ = 2d sin θ 1(154) = 2d sin 14.22 154 = 2d (0.245) 2d = 626.92 d = 313.46 2. A topaz crystal has an interplanar spacing (d) of 1.36 Å (1 Å = ). Calculate the wavelength
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(1629-1695) Wave Theory (1678) Light is a wave that can transfer energy without transferring matter Light waves have varying wavelengths‚ frequencies‚ speeds and amplitude • 6. Wave Theory (1678) Follows laws of reflection and refraction Explains diffraction: the effect of waves when encountering an obstacle Constructive and destructive interference http://www.sciencephoto.com/image/2511/530wm/A1800254-Water_waves-SPL.jpg • 7. Wave Theory Waves are additive: constructive interference Example:
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solid particle characterisation‚ storage of solids and flow characteristics of solids are complex and have received considerable research. There have been many cases of sudden surges of powder flow from storage bins called powder floods. In nature an avalanche – sudden surges of ice- is a typical example of powder flood . [pic] The objective of this paper is to study the flowability characterestics of different solid materials like sand and house hold grocery materials. If a material
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Light From personal experience I would say light within architecture is what makes you feel uplifted as you walk into a room or a space. Light can be controlled and manipulated within certain spaces by adding light or having an absence of light. Light can completely change the dynamics of a room or space and can also have a very strong effect on the mood. Light within architecture can either be natural or synthetic‚ both creating a special experience within a room. In my research I will
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