PLANNING: - Title: - An Experiment to investigate the lateral displacement of a ray of light through a rectangular block of a transparent material. Aim: - To investigate the lateral displacement for different angles and how the displacement depends on the angle of incidence when a ray of light enters the Perspex block. Scientific Background: - Refraction occurs when the speed changes when the lights travels from one medium to another medium. If the light travels from a medium to a denser medium
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Refractive Index: Refractive Index formula is use to find the change of speed of light as it travels from air into glass. It measure how much light slows down when it enters denser medium such as glass. The formulae is written as: To find out the refractive index‚ substitute these into the equation; The speed of light travels in air is 3 x 10^8-1 The speed of light travels in glass is 2 x 10^8 ms^-1 Refractive Index (Glass): 3 x 10^8 / 2 x 10^8 = 1.5 When light enters glass‚ its reflective index
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ASSIGNMENT COVER SHEET STUDENT DETAILS ID | 24531545 | Family name | Zhang | | | | | Phone no. | | Given names | YuCheng | Monash email address | | yzha420@student.monash.edu | INSTRUCTIONS FOR SUBMISSION OF HARD COPY (PRINT) ASSIGNMENTS 1. Read and sign your cover sheet 2. Staple this sheet to the front of your assignment 3. Your assignment should be placed in the appropriate assignment box on your campus‚ unless other arrangements has been approved by the
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Refraction and Snell’s Law When an ultrasonic wave passes through an interface between two materials at an oblique angle‚ and the materials have different indices of refraction‚ both reflected and refracted waves are produced. This also occurs with light‚ which is why objects seen across an interface appear to be shifted relative to where they really are. For example‚ if you look straight down at an object at the bottom of a glass of water‚ it looks closer than it really is. A good way
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OBJECTIVE The objective of this experiment is to study refraction and reflection and also to use Snell’s law correctly to determine the optical properties and indices of refraction for a prism. DATA All data is included in an excel spreadsheet‚ attached to this write-up. Some uncertainties that see probable in the case of general human error are the basic visualization of the location of the pin‚ the measuring of the angles with a protractor‚ the possibly imprecise way to draw the reflected
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Ashley Spees CHM 261- Batzer Chem Final Write Up- Kool Aid Lab Total Acid This part of the lab requires titration of Kool Aid with an NaOH solution. The reason titrations are used is to determine the concentration of an unknown solution by reacting a strong acid with a strong base. Titrations are hard to accomplish‚ though‚ due to the fact that indicators used to show the endpoints are very sensitive and one drop could make the solution titrate past its endpoint. Blue stock solution: 3 mg/L
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for the Conservation of Total Mechanical Energy. The variables used were the thickness of the aluminum block (H)‚ the length of the cart (L)‚ and the distance between the lengths of the cart (D). We registered the mass of the cart (M Cart)‚ as well as the mass of the silver piece (M Silver Piece). H (m) 0.02552 D (m) 1.023 L (m) 0.1324 M Cart (kg) 0.1718 M Silver Piece (kg) 0.0489 Table 1. Constants part A. This table shows the constants required for the Conservation of Total Mechanical Energy Section
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Birla Institute of Technology & Science‚ Pilani Work-Integrated Learning Programmes Division Second Semester 2011–2012 Course Handout Course No : ET ZC342 Course Title : Materials Management Instructor : Vinayak Kalluri Course Description Integrated materials management‚ policy aspects‚ purchasing management‚ warehousing and storage of inventory control systems‚ appraisal and control‚ just in time (JIT)‚ automation in materials management. Scope and Objective
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Chapter 16 Motivating Employees TRUE/FALSE QUESTIONS WHAT IS MOTIVATION? 1. Motivation is a result of an interaction between a person and a situation. (True; easy; p. 452) 2. The three key elements in the definition of motivation are energy‚ direction‚ and achievement. (False; difficult; p. 452) 3. High levels of effort don’t necessarily lead to favorable job performance unless the effort is channeled in a direction that benefits the organization. (True; easy; p. 452)
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Internal Assessment Coversheet and Self-Assessment Session: Student Name: SL/HL Candidate Number: Investigation title: Investigating a factor that affects stomata density in leaves Syllabus topic(s): Teacher’s Instructions and help given: Candidate declaration: “I confirm that this work is my own work and is the final version. I have acknowledged each use of the words or ideas of another person‚ whether written‚ oral or visual.” Signed: Escalante Date: 15/09/14
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