ABO OPTICAL EXAM QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025, Exams of Physics

Download ABO OPTICAL EXAM QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025 and more Exams Physics in PDF only on Docsity! ABO OPTICAL EXAM QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025 Light falling on the front surface of a spectacle lens is: A) partially reflected, partially absorbed and the remainder refracted B) partially reflected and the remainder refracted C) partially absorbed and the remainder refracted D) totally refracted A) partially reflected, partially absorbed and the remainder refracted Concave mirror: A) can focus parallel incident rays to form a real image B) can focus parallel incident Rays to form a virtual image C) always produce inverted images of real objects D) produces virtual images smaller than the real object. A) can focus parallel incident rays to form a real image Reflection is reduced by depositing a layer of magnesium fluoride on the lens surface. It has a thickness of: A) 1/2 the wave length of white light B) 1/4 the wave length of white light C) 1/2 the wave length of blue-violet light D) the wave length of yellow light D) the wave length of yellow light White light is broken into its components colors when it is: A) diffracted B) refracted C) reflected D) diffracted or refracted D) diffracted or refracted Anti reflective coating of a lens is based on the principle of: A) diffraction B) reflection C) interference D) reflection and interference D) reflection and interference To the viewer the image seen in a plane mirror appears to be: A) inverted B) 1/2 as large as the object C) twice as large as the object D) as far behind the mirror as the object is in front of it. D) as far behind the mirror as the object is in front of it. The velocity of light is least in: A) air B) polycarbonate C) water D) flint glass D) flint glass What is prism in simplest terms? A wedge of transparent material used to disperse and or deviate light. Define Phoria A TENDENCY to cross (not cosmetic) Define Tropia An actual "crossing" very noticeable. Crown glass index 1.523 Which lens has more aberrations? A) Flint Glass B) Crown Glass A) Flint Glass Plus Lenses can be A) Convex B) Concave C) Both A) Convex (plus lenses can be equiconvex, Flat convex, Double covex/biconvex or Meniscus) Minus Lenses Can Be A) Convex B) Concave C) Both