This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Fresnel and Fraunhofer Diffraction”. 1. How many lenses are used in Fraunhofer Diffraction? a) Two Convex lenses b) Two Concave lenses c) One Convex lens d) No lens used 2. If the separation between the two slits in Double Slit Fraunhofer Diffraction … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Diffraction of Light”. 1. What changes are observed in a diffraction pattern if the whole apparatus is immersed in water? a) The Wavelength of light increases b) Width of central maximum increases c) Width of central maximum decreases d) Frequency of light … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Young’s Experiment”. 1. In Young’s Double Slit Experiment, if instead of monochromatic light white light is used, what would be the observation? a) The pattern will not be visible b) The shape of the pattern will change from hyperbolic to circular c) … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Interference of Light”. 1. Which of the following does not show any interference pattern? a) Soap bubble b) Excessively thin film c) A thick film d) Wedge Shaped film 2. The main principle used in Interference is _____________ a) Heisenberg’s Uncertainty Principle … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Light”. 1. How is light emitted? a) Klystron valves b) Radioactive decay of the nucleus c) Transmission of high energy electrons from an excited state to a lower state d) Acceleration of electrons 2. Who gave the quantum theory of light? a) … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Resolving Power”. 1. Our eyes see two objects as separate, only in the angle subtended by them at the eye is greater than ______________ a) 30 seconds b) 1 minute c) 2 minute d) 10 seconds 2. In Rayleigh’s Criterion for Resolution, … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Fraunhofer Diffraction”. 1. What is the effective distance between the source of light and the screen in Fraunhofer Diffraction? a) Focal length of the convex lens b) Less than Focal Length of the convex lens c) Greater than the focal length of … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on ” Fresnel Diffraction”. 1. How many lenses are used in Fresnel Diffraction? a) Two Convex lenses b) Two Concave lenses c) One Convex lens d) No lens used 2. Which of the following is called the obliquity factor? a) cosθ b) sinθ … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Velocity of Light”. 1. The velocity is higher in the medium whose refractive index is ______________ a) Lower b) Higher c) 1 d) Same as the first medium 2. If the light is incident on an optically denser medium, then what is … Read more
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Optical Instruments”. 1. The inability of a lens to form a white image of a white object is known as ________ a) Spherical Aberration b) Chromatic Aberration c) Monochromatic Aberration d) Coma 2. What is the ratio of the focal lengths of … Read more
