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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directions lying in this plane and give their Miller indices. You should specify a positive sense on your direction with help of an arrow and make your Miller indices consistent with that direction. 12 3 First three peaks in a powder x-ray diffraction pattern from a cubic crystal appears at Bragg angle =13.63‚ 22.63 and 26.82 when CuK radiation with a wavelength of 1.54 Å is used. Determine the structure and lattice parameter of the material. 12 4 Iron changes from a low temperature
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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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AC 6/6/2012 Item No. 4.76 UNIVERSITY OF MUMBAI Bachelor of Engineering First Year Engineering ( Semester I & II)‚ Revised course (REV‐ 2012) from Academic Year 2012 ‐13‚ (Common for All Branches of Engineering) (As per Credit Based Semester and Grading System with effect from the academic year 2012–2013) First Year Engineering ( Semester I & II)‚ Revised course from Academic Year 2012 ‐13‚ (REV‐ 2012)
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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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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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Rock crushing‚ splitting samples‚ drying and grinding: Preparation for rock powder. Demonstrator: Encik Zamrut Daunar Date (and venue): 28 July 2010 (Basement) Aim: To crush‚ split‚ and grind solid sample rock for preparing rock powder. Objective: 1. To learn the techniques and mechanisms of preparing rock powder; which will be used as a sample for Bernas Bomb and XRF/ XRD techniques. 2. To know the processes and machines used in the rock crushing and sample preparation. Apparatus/
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A Brief History of Light ( by Efthymios Kallos) (edited by Mrs. John & Mr. Lefebvre) | The struggle to understand light | The main issue of the early theories of light was to resolve whether it was a wave or a particle‚ and this proved to be a difficult task. It started as a particle from the ancient Greeks‚ then it became a wave with Huygens‚ then Newton suggested a particle theory again‚ then Fresnel and others suggested a wave theory again‚ then Einstein suggested a particle theory once
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