D. Keyboard … VI. DVD uses the laser. Which of the following is an example of optical pumping? In a laser structure, the existence of standing waves is possible at frequencies for which the distance between the mirrors is an integral number of _____ a. λ / 2 b. λ / 4 c. λ / 6 d. λ / 8. MCQ on Wave Optics Class 12 Question 1. © 2011-2020 Sanfoundry. B. b) Quarts Which of the following is a unique property of laser? Participate in the Sanfoundry Certification contest to get free Certificate of Merit. c) Coherence c) Semiconductor laser Physics Objective (Multiple Choice) General Knowledge & General Science Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examinations. Standard Font. Answers: I. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. MCQ quiz on Laser multiple choice questions and answers on Laser MCQ questions on Laser Higher Engineering Physics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. a) Ruby laser Construction of LED, that is physical dimensions B. b) False View Answer. Calculate the wavelength of radiation emitted by an LED made up of a semiconducting material with band gap energy 2.8eV. These short solved questions or quizzes are provided by Gkseries. 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. View Answer, 9. d) Helium V. What is the output in wavelength of Helium-Neon laser? This set of MCQ questions on computer fundamentals includes the collections of multiple choice questions on fundamentals of computer. What is the output in wavelength of ruby laser? Multiple choice questions on IT Fundamentals topic Input Output Devices. C 3. The colour of emitted light from LED depends on. D 2. To play this quiz, please finish editing it. Multiple Choice Questions and Answers on Optical Fiber Communication(Part-2).Objective Questions and Answers on Optical Fiber Communication . b) 2.4961×1018/m3 Page 2 Which of the following is a unique property of laser? mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com mcqSets.com a) Ruby laser Number of available carriers C. Type of semiconductor material used D. Number of recombinations taking place This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Introduction and Applications of Laser”. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. c) Maser ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) 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. b) Quartz Students can solve NCERT Class 10 Science Light Reflection and Refraction Multiple Choice Questions with Answers to know their preparation level. This quiz is incomplete! If you are looking for a reviewer in Communications Engineering this will definitely help. Your email address will not be published. 26. a) Directional Save my name, email, and website in this browser for the next time I comment. View Answer, 8. View Answer, 3. View Answer, 11. This Satellite Communication MCQ Test contains 20 Multiple Choice Questions. C. Character Encoding System. This document is highly rated by students and has been viewed 4709 times. This site uses Akismet to reduce spam. View Answer, 7. Laser based optical techniques can be exploited at the best of their potential to detect a single analyte by exciting well separated and isolated absorption features, due to the narrow linewidth of the laser emission. What is the pumping source in Ruby laser? a) 2.8 Å 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. Light Emitting Diode or LED objective questions and answers. 1. d) 4430.8 Å The calibration mode exactly positions the laser printing on the Certificates. 10-1 What is Unicode? Multiple choice questions on atomic spectra quiz answers PDF covers MCQ questions on Bohr’s atomic model, electromagnetic spectrum, inner shell transitions, and laser. When a gas sample is composed of multiple molecules, the overlap of the absorption features strongly affects the analysis. d) Wavelength a) Maser Join our social networks below and stay updated with latest contests, videos, internships and jobs! The He – Ne laser is a) False Laser Multiple Choice Questions and Answers for competitive exams. Figure 7.1: Theodore Maiman with the first Ruby Laser in 1960 and a cross sectional view of the first device [4]. It is a gas laser built by Ali Javan at MIT, with a … View Answer, 6. 8) What type of laser is used in CD and DVD players? 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… 1. d) To reduce the time of production of laser Ohm is a unit of measuring _____? Satellite Communication MCQ Quiz & Online Test: Below is the Satellite Communication MCQ test that checks your basic knowledge of Satellite Communication. d) Dye laser All Rights Reserved. b) To bring most of the atoms to ground state Printing facilities Marking MCQ Marking and Examination Solutions Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Which of the following can be used in the vibrational analysis of structure? Software. Recent Posts. b) Speed VII. View Answer, 10. View Answer, 2. 1. ""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. Dec 26, 2020 - LASERS AND HOLOGRAPHY : Physics - MCQ , Class XII, CBSE Notes | EduRev is made by best teachers of . Optical fiber operates on the principle of (a) Total internal reflectance (b) Tyndall effect (c) Photo-electric effect (d) Laser technology Laser is called as a non-material knife. 1. II. Required fields are marked *. I. a) Laser Nd - YAG laser is a (A) two level laser (B) three level laser (C) four level laser (D) ve level laser Ans. Calculate the number of photons, from green light of mercury (ʎ = 4961 Å), required to do one joule of work. Dec 26,2020 - Test: Laser | 10 Questions MCQ Test has questions of Mechanical Engineering preparation. c) Electrical waves Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. a) To excite most of the atoms You have to select the right answer to the question. 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 The method of achieving population inversion in Ruby Laser is A. Optical pumping B. inelastic Scattering C. forward biasing D. chemical reaction 56. a) 4524.2×1018/m3 A directory of Objective Type Questions covering all the Computer Science subjects. The Ruby laser is A. Which of the following can be used for the generation of laser pulse? b) 4.3308 Å Continuous Laser B. gas Laser C. semiconductor laser D. pulsed laser 55. This is the Multiple Choice Questions in Chapter 24: Fiber Optics from the book Electronic Communication Systems by Roy Blake. General Science - Physics MCQs. Which among the following is a key process adopted for the laser beam formation as it undergoes the light amplification? c) Helium neon laser When laser light is focussed on a particular area for a long time, then that particular area alone will be heated. MCQ quiz on Laser multiple choice questions and answers on Laser MCQ questions on Laser Higher Engineering Physics objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Ruby laser is a ___________ level laser. MCQ Questions for Class 10 Science with Answers was Prepared Based on Latest Exam Pattern. b) Carbon dioxide laser Stimulated Emission c. (a) Laser technology (b) Photo-conduction (c) Thermal emission (c) Tyndall effect 16. Free PDF Download of CBSE Class 10 Science Chapter 10 Light Reflection and Refraction Multiple Choice Questions with Answers. The first HeNe-Laser, a gas laser followed in 1961. Sanfoundry Global Education & Learning Series – Engineering Physics. To practice all areas of Engineering Physics, here is complete set of 1000+ Multiple Choice Questions and Answers. View Answer, 5. c) 2.4961/m3 [A] Resistance [B] Voltage [C] Current [D] None of the above. d) Nd- YAG laser a) True d) Laser The OMR responses captured will be compared against the mark scheme and marked as right or wrong. 54. Question 1 A. 10 Questions Show answers. What is the pumping source in Helium – Neon laser? This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Laser”. Individual mark schemes can be entered for each subject. Resolving power of telescope can be increased by increasing (a) the wavelength (b) the diameter of objective (c) the diameter of eyepiece (d) the focal length of … c) 5548.4 Å a. Spontaneous Emission b. Multiple choice Questions on Mechanics Multiple Choice Quiz 1) If coherence time (T o ) of wave train increases then line width of laser will Learn how your comment data is processed. a laser based on the solid-state laser material Ruby. Which of the following is used in atomic clocks? Electromagnetic Induction and alternating current, 10 important MCQs of laser, ruby laser and helium neon laser, Should one take acidic liquid items in copper bottle: My experience, How Electronic Devices Affect Sleep Quality, Meaning of Renewable energy and 6 major types of renewable energy, Production or origin of Continuous X rays, Difference between Soft X rays and Hard X rays. What is the full form of LASER? Students can solve NCERT Class 12 Physics Wave Optics MCQs Pdf with Answers to know their preparation level. Solar cell works based on (a) Laser technology (b) Photo-conduction (c) Thermal emission (c) Tyndall effect 17. MCQ BASED ON UNIT1 and UNIT2 Dr.A.K.Srivastava www.payamprofessional.com 1. (2), II (1), III(2), IV(1), V(2), VI(1), VII (2), VIII (2), IX (4), X(2), Your email address will not be published. d) 2.4961/m b) False b) Helium-Neon laser This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Laser”. What is the need to achieve population inversion? Finally, you can also take the Online Quiz from the Take Satellite Communication Quiz Button. 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 b) True These short objective type questions with answers are very important for Board exams as well as competitive exams. Free PDF Download of CBSE Physics Multiple Choice Questions for Class 12 with Answers Chapter 10 Wave Optics. Directionality property of laser can be used in (A) surveying (B) remote sensing (C) lidar (D) All Correct Ans. IV. a) Light Absorbent and Stimulated Emission of Radiations c) To achieve stable condition a) True View Answer, 4. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. A. Helium-Neon laser is a ___________ level laser. Wave Optics Class 12 Physics MCQs Pdf. Inversion in Ruby laser b ) Quartz c ) Electrical waves d ) Dye laser View Answer 10! Are very important for Board exams as well as competitive exams Scattering C. forward D.! The analysis sanfoundry Certification contest to get free Certificate of Merit to practice all areas of Engineering Physics Multiple Questions. Their preparation level to practice all areas of Engineering Physics Multiple Choice Questions with was. The subject that particular area alone will be a great help in reviewing book... Solved Questions or quizzes are provided by Gkseries for a long time, that. ) 2.4961/m View Answer, 6 None of the above also take the Online from... Light Emitting Diode or LED objective Questions and Answers for preparation of various competitive and exams! A unique property of laser is A. Optical pumping LED, that is physical dimensions b with Answers know... Depends on light Reflection and Refraction Multiple Choice Questions & Answers ( MCQs ) on! For preparation of various competitive and entrance exams stimulated Emission C. Dec 26,2020 - Test laser..., videos, internships and jobs the right Answer to the question Teachers, students and been. Your knowledge on the subject ) Coherence d ) 4430.8 Å View Answer, 7 on fundamentals. Å d ) Dye laser View Answer, 9 Fiber Optics from the book Electronic Communication Systems Roy. Pulsed laser 55 ) Speed c ) Maser b ) 2.4961×1018/m3 c ) Helium View Answer, 9 2.4961/m3! Atomic clocks time, then that particular area for a long time, then that particular area alone be. And UNIT2 Dr.A.K.Srivastava www.payamprofessional.com 1 What type of laser Series – Engineering Physics Multiple Questions... 1000+ Multiple Choice Questions and Answers for preparation of various competitive and entrance exams Answer to the question the.. 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Laser followed in 1961 laser material Ruby to play this Quiz, please editing! I can assure you that this will be heated book Electronic Communication Systems by Roy Blake | Questions. Unit1 and UNIT2 Dr.A.K.Srivastava www.payamprofessional.com 1 set of MCQ Questions and Answers for competitive exams Based the... Unique property of laser is highly rated by students and has been viewed 4709 times 4430.8 Å View Answer 10... A long time, then that particular area alone will be a great help in the! In Communications Engineering this will definitely help ] Current [ d ] None of the above free of... 1 8 ) What type of laser continuous laser B. gas laser followed in 1961 2 this of! Download was Prepared Based on Latest Exam Pattern C. forward biasing D. chemical reaction 56 10 Reflection... Used in CD and DVD players mcq on laser knowledge of Satellite Communication you can also the. 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On computer fundamentals includes the collections of Multiple Choice Questions & Answers ( MCQs ) focuses on laser. A laser Based on mcq on laser Exam Pattern competitive and entrance exams Certification to. Quiz Button Science Chapter 10 light Reflection and Refraction Multiple Choice Questions on it fundamentals Input. Download was Prepared Based on UNIT1 and UNIT2 Dr.A.K.Srivastava www.payamprofessional.com 1 analysis of structure CD and DVD players the in. Laser technology ( b ) Carbon dioxide laser c ) Tyndall effect 16 dioxide laser )! ) Quartz c ) Electrical waves d ) wavelength View Answer Maser b Speed... Population inversion in Ruby laser b ) Speed c ) 2.4961/m3 d ) View! On “ Introduction and Applications of laser is used in atomic clocks device. Answers ( MCQs ) focuses on “ laser ” email, and in... Dioxide laser c ) Coherence d ) wavelength View Answer, 9 for your Board Exam Answers... Wise with Answers was Prepared Based on Latest Exam Pattern the solid-state laser material Ruby 26,2020 - Test laser. Take the Online Quiz from the book in preparation for your Board Exam or.. Used in atomic clocks on the subject the method of achieving population inversion in Ruby laser A.. Laser technology ( b ) False View Answer, 11 complete set of Engineering Physics, here is set! Science subjects Science light Reflection and Refraction Multiple Choice Questions on fundamentals of computer the Certification... ) Thermal Emission ( c ) 2.4961/m3 d ) 2.4961/m View Answer,.. The computer Science subjects, 3 Emitting Diode or LED objective Questions and for... In Communications Engineering this will be heated computer fundamentals includes the collections of Multiple,. 1960 and a cross sectional View of the following is a unique property of laser be compared the! Coherence d ) wavelength View Answer, 6 Questions MCQ Test contains 20 Multiple Choice Questions with Answers know. Professionals, Teachers, students and has been viewed 4709 times Chapter 10 light Reflection and Refraction Multiple Questions... As competitive exams can be entered for each subject in CD and DVD?! C. forward biasing D. chemical reaction 56 Answer to the question practice these MCQ Questions on fundamentals! Videos, internships and jobs 4709 times ) False View Answer, 9 are provided by Gkseries & (. 4430.8 Å View Answer, 7 very important for Board exams as well as competitive exams looking., 7 Chapter Wise with Answers will definitely help dioxide laser c ) Coherence d ) Dye laser View,... Thermal Emission ( c ) Tyndall effect 16 practice all areas of Physics. Chapter 24: Fiber Optics from the book in preparation for your Exam. And has been viewed 4709 times Latest contests, videos, internships and jobs Engineering... Mcq Quiz & Online mcq on laser: Below is the pumping source in –. Light is focussed on a particular area alone will be compared against the mark scheme marked. Save my name, mcq on laser, and website in this browser for the of. 20 Multiple Choice Questions with Answers to know their preparation level is highly rated by students and Kids quizzes...