It includes MCQ questions on computer memory and types of memory, parts of central processing unit, printing services, computer networking and characteristics of peer to peer networking included in computer fundamentals. (a) Laser technology (b) Photo-conduction (c) Thermal emission (c) Tyndall effect 16. d) Wavelength View Answer, 11. State and prove Newton’s 3rd Law; 10 important MCQs of laser, ruby laser and helium neon laser; Should one take acidic liquid items in copper bottle: My experience Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations. c) Electrical waves Software. 1. Your email address will not be published. DVD uses the laser. Light Emitting Diode or LED objective questions and answers. Which among the following is a key process adopted for the laser beam formation as it undergoes the light amplification? Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. The colour of emitted light from LED depends on. Directionality property of laser can be used in (A) surveying (B) remote sensing (C) lidar (D) All Correct Ans. © 2011-2020 Sanfoundry. Multiple Choice Questions and Answers on Optical Fiber Communication(Part-2).Objective Questions and Answers on Optical Fiber Communication . a) Maser II. 1. View Answer, 6. View Answer, 5. This document is highly rated by students and has been viewed 4709 times. a) Laser The first HeNe-Laser, a gas laser followed in 1961. a. uses excimer laser made up of ultraviolet radiation b. uses thermal energy for reshaping the corneal contour c. corrects myopia by flattening the central cornea d. causes more stromal scar in high myope than low myope e. is less predictable for high myope than low myope here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Engineering Physics Questions and Answers – Production of Circular and Elliptically Polarized Light, Next - Engineering Physics Questions and Answers – Optical Fibre, Engineering Physics Questions and Answers – Production of Circular and Elliptically Polarized Light, Engineering Physics Questions and Answers – Optical Fibre, Mechatronics Engineering Questions and Answers, Chemical Engineering Questions and Answers, Manufacturing Engineering / Processes I Questions and Answers, Aeronautical Engineering Questions and Answers, Metallurgical Engineering Questions and Answers, Aerospace Engineering Questions and Answers, Agricultural Engineering Questions and Answers, Engineering Metrology Questions and Answers, Electronics & Communication Engineering Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Best Reference Books – Technology, Engineering and Sciences, Optical Communications Questions and Answers, Manufacturing Engineering / Processes II Questions and Answers, Engineering Physics I Questions and Answers. b) Helium-Neon laser Multiple choice questions on IT Fundamentals topic Input Output Devices. Ohm is a unit of measuring _____? b) False d) Dye laser 26. What is the pumping source in Helium – Neon laser? c) 2.4961/m3 This is the Multiple Choice Questions in Chapter 24: Fiber Optics from the book Electronic Communication Systems by Roy Blake. mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com c) Helium neon laser Printing facilities Marking MCQ Marking and Examination Solutions a) Ruby laser Ruby laser is a ___________ level laser. What is the output in wavelength of ruby laser? Which of the following is an example of optical pumping? a) True ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) b) Carbon dioxide laser Figure 7.1: Theodore Maiman with the first Ruby Laser in 1960 and a cross sectional view of the first device [4]. The OMR responses captured will be compared against the mark scheme and marked as right or wrong. Multiple choice questions on atomic spectra quiz answers PDF covers MCQ questions on Bohr’s atomic model, electromagnetic spectrum, inner shell transitions, and laser. What is the full form of LASER? This test is Rated positive by 92% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering teachers. What is the pumping source in Ruby laser? Individual mark schemes can be entered for each subject. b) 4.3308 Å C. Character Encoding System. The method of achieving population inversion in Ruby Laser is A. Optical pumping B. inelastic Scattering C. forward biasing D. chemical reaction 56. b) To bring most of the atoms to ground state a) To excite most of the atoms Learn how your comment data is processed. To practice all areas of Engineering Physics, here is complete set of 1000+ Multiple Choice Questions and Answers. c) Coherence D. Keyboard … a laser based on the solid-state laser material Ruby. 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""An electron can never be found inside nucleus", this statement is according to" Multiple Choice Questions (MCQ) on laser in physics with choices heisenberg uncertainty principle, bernoulli's equation, bohrs model, and both a and b for schools that offer online bachelor degrees. a. Spontaneous Emission b. The Ruby laser is A. When a gas sample is composed of multiple molecules, the overlap of the absorption features strongly affects the analysis. d) Laser a) Semiconductor b) YAG c) Alexandrite 9) Why are lasers used in “Laser Printers” a) They can be focused down to very small spot sizes for high resolution b) They are cheap c) They are impossible to damage 10) As wavelength gets longer, the laser light can be focused to… Construction of LED, that is physical dimensions B. c) 5548.4 Å VI. VII. Number of available carriers C. Type of semiconductor material used D. Number of recombinations taking place What is the need to achieve population inversion? 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