optics mcqs in physics with answers

Important Optics MCQs in Physics for Army Test with Answers

Optics MCQs of Physics for Initial Tests (Part-1)

This article includes optics mcqs in physics for the Army Education Corps (AEC) employment. To help you prepare, these optics in physics MCQs with answers have been gathered from past papers, including questions that have been asked before. These specially designed multiple-choice questions are meant to increase your chances of passing the next test.

  • Geometrical optics is the branch of optics that studies light propagation using the __________ model. (Ray)
  • According to the law of __________, the angle of incidence is equal to the angle of reflection. (Reflection)
  • The __________ of incidence is the angle between an incident ray and the normal to the surface at the point of incidence. (Angle)
  • A __________ mirror is a mirror with a reflecting surface that curves inward. (Concave)
  • A __________ mirror is a mirror with a reflecting surface that curves outward. (Convex)
  • The __________ point of a converging lens is the point where parallel rays of light converge after passing through the lens. (Focal)
  • The __________ point of a diverging lens is the point where parallel rays of light appear to diverge from after passing through the lens. (Virtual)
  • The __________ equation relates the object distance (do), image distance (di), and focal length (f) of a lens. (Lens)
  • When an object is placed beyond the focal point of a converging lens, the image formed is __________, real, and inverted. (Diminished)
  • When an object is placed between the focal point and the lens of a converging lens, the image formed is __________, virtual, and upright. (Magnified)
  • Total internal reflection occurs when a light ray traveling in a medium with a higher refractive index encounters a boundary with a medium of __________ refractive index. (Lower)
  • The critical angle is the angle of incidence at which light traveling from a medium with a higher refractive index to a medium with a lower refractive index undergoes __________ internal reflection. (Total)
  • The __________ lens has a negative focal length and causes light rays to diverge. (Diverging)
  • The __________ lens has a positive focal length and causes light rays to converge. (Converging)
  • The __________ point of a lens is the point at which an object must be placed to produce an image at infinity. (Principal)
  • __________ is the property of light waves that describes the orientation of the electric field. (Polarization)
  • A __________ wave is a wave in which the electric field oscillates in a single plane. (Polarized)

Optics MCQs of Physics for Initial Tests (Part-2)

  • The __________ of polarized light is the direction in which the electric field oscillates. (Orientation)
  • When light passes through a __________ polarizer, only light waves with a specific orientation are transmitted. (Linear)
  • A __________ polarizer transmits light waves that oscillate in a specific plane and blocks light waves oscillating perpendicular to that plane. (Linear)
  • The __________ axis of a linear polarizer is the direction in which the polarizer transmits light. (Transmission)
  • A __________ polarizer transmits light waves with a specific circular polarization and blocks light with the opposite circular polarization. (Circular)
  • __________ polarization occurs when the electric field oscillates in all possible directions perpendicular to the direction of propagation. (Unpolarized)
  • The process of converting unpolarized light into polarized light is known as __________. (Polarization)
  • The __________ effect is the rotation of the plane of polarization of light as it passes through certain materials. (Faraday)
  • The __________ effect is the rotation of the plane of polarization of light due to its interaction with a magnetic field. (Faraday)
  • The __________ effect is the selective absorption of light waves with a specific polarization by certain materials. (Dichroism)
  • __________ polarization occurs when the electric field oscillates in an elliptical pattern. (Elliptical)
  • The __________ effect is the phenomenon where the intensity of polarized light changes upon passing through certain materials. (Birefringence)
  • The __________ angle is the angle at which light transitioning from one medium to another becomes completely polarized. (Brewster’s)

Optics MCQs in Physics for Air Force Test Free

The Optics in Physics MCQs for the Air Force Test provide a comprehensive resource to enhance your understanding and knowledge of this particular subject.

This post comprises highly significant multiple-choice questions (MCQs) related to the  PAF Education Instructors, PAF Airman/ Air Woman, PAFGD Pilot, PAF Air Defence Branch.

Optics MCQs of Physics for Initial Tests (Part-3)

  • A(n) __________ is an optical instrument used to magnify small objects. (Microscope)
  • The __________ is the part of a microscope that collects and focuses light onto the specimen. (Objective)
  • The __________ is the part of a microscope that further magnifies the image produced by the objective. (Eyepiece)
  • A(n) __________ is an optical instrument used to view distant objects. (Telescope)
  • The __________ is the part of a telescope that collects and focuses light.(Objective)
  • The __________ is the part of a telescope that magnifies the image formed by the objective. (Eyepiece)
  • A(n) __________ is an optical instrument used to form images by focusing light onto a photosensitive surface. (Camera)
  • In a camera, the __________ controls the amount of light entering the camera by adjusting the size of the opening. (Aperture)
  • The __________ is the part of a camera that captures and records the image formed by the lens. (Image Sensor)
  • A(n) __________ is an optical instrument used to measure the intensity or spectrum of light. (Spectrometer)
  • A __________ is an optical instrument that uses a prism or diffraction grating to disperse light into its component wavelengths. (Spectroscope)
  • A(n) __________ is an optical instrument that uses a combination of lenses to correct and enhance the clarity of an image. (Corrective Lens)
  • A(n) __________ is an optical instrument used to measure the curvature of a lens or the refractive index of a medium. (Refractometer)
  • A(n) __________ is an optical instrument used to measure the angle between two lines or surfaces. (Goniometer)
  • A(n) __________ is an optical instrument used to measure the speed of an object by measuring the time it takes for light to travel to and from the object. (Laser Range Finder)
  • __________ is a technique that allows the recording and reconstruction of three-dimensional images. (Holography)
  • A hologram is created by recording the __________ and __________ of light waves.(Amplitude, Phase)
  • The process of creating a hologram is known as __________. (Holography)
  • The __________ is the reference beam used in holography to interfere with the object beam. (Reference)
  • The __________ is the beam of light that interacts with the object and carries its information in holography. (Object.)

Optics MCQs of Physics for Initial Tests (Part-4)

  • In holography, the __________ is the interference pattern formed by the reference and object beams. (Hologram)
  • The __________ is the device used to view the reconstructed holographic image. (Holographic Plate)
  • __________ is a type of holography that uses laser light to create holograms. (Laser Holography)
  • The __________ is the property of holograms that allows different perspectives of the object to be seen from different angles. (Parallax)
  • __________ is a method of producing holograms using two lasers of different colors. (Color Holography)
  • The __________ effect is a phenomenon in holography where a portion of the hologram can still reconstruct the entire image. (Whole/Complete)
  • A __________ hologram is a type of hologram that produces a two-dimensional image that appears to float in space. (Transmission)
  • The __________ is the virtual image formed by the hologram that appears to be located behind or in front of the hologram. (Reconstruction)
  • A __________ hologram is a type of hologram that produces a three-dimensional image that seems to be solid and can be viewed from different angles. (Reflection)
  • __________ is a digital technique used to store and reproduce holograms using computer-generated algorithms. (Digital Holography)
  • __________ is a method of transmitting information using light waves through optical fibers. (Optical Fiber Communication)
  • An optical fiber is a thin, flexible, and transparent __________ used to guide light waves. (Fiber)

Past Optics MCQs in Physics for Navy with Answers

The comprehensive set of Optics in Physics MCQs for the Navy with answers, serving as a valuable resource for exam preparation.

Within this article, you will find highly significant optics in physics MCQs for the Navy, specifically tailored for employment in the Navy Marine Sailors, Merchant Navy Officers,  PN Cadets, Navy Ordnance Branch.

Optics MCQs of Physics for Initial Tests (Part-5)

  • The __________ is the central part of an optical fiber that carries the light signals. (Core)
  • The __________ is the outer layer of an optical fiber that surrounds and protects the core. (Cladding)
  • __________ is the phenomenon of total internal reflection that allows light to propagate through an optical fiber. (Fiber Optic)
  • The __________ is the device used to launch light into an optical fiber. (Light Source)
  • The __________ is the device used to detect and convert light signals into electrical signals. (Photodetector)
  • In optical fiber communication, __________ is used to encode information onto the light waves. (Modulation)
  • A __________ is a device used to combine or separate different wavelengths of light in optical fibers. (Wavelength Division Multiplexer (WDM))
  • The __________ is the measure of the information-carrying capacity of an optical fiber. (Bandwidth)
  • A __________ fiber is an optical fiber that allows multiple modes of light to propagate through it. (Multimode)
  • A __________ fiber is an optical fiber that allows only a single mode of light to propagate through it. (Single-mode)
  • The __________ is the loss of light intensity that occurs as light propagates through an optical fiber. (Attenuation)
  • The __________ is the phenomenon of spreading and overlapping of light pulses as they travel through an optical fiber. (Dispersion)
  • A(n) __________ is a device that amplifies light signals in optical fiber communication. (Optical Amplifier)

Optics MCQs of Physics for Initial Tests (Part-6)

  • __________ is the bending of light as it passes from one medium to another. (Refraction)
  • The __________ is the angle between the incident ray and the normal to the surface at the point of incidence. (Angle of Incidence)
  • The __________ is the angle between the refracted ray and the normal to the surface at the point of refraction. (Angle of Refraction)
  • The __________ is the phenomenon of splitting white light into its component colors. (Dispersion)
  • A __________ is a transparent object that refracts and disperses light to produce a spectrum of colors. (Prism)
  • The __________ is the point where light rays converge or appear to diverge from. (Focal Point)
  • A __________ is a lens that is thicker at the center than at the edges and converges light rays. (Convex Lens)
  • A __________ is a lens that is thinner at the center than at the edges and diverges light rays. (Concave Lens)
  • The __________ is the distance between the lens and the focal point.Answer: Focal Length__________ is the phenomenon of light waves bouncing off a surface. (Reflection)
  • The __________ is the angle of incidence at which light is reflected at an angle of 90 degrees to the surface. (Critical Angle)
  • __________ is the phenomenon of light waves bending around obstacles or spreading out after passing through a small opening. (Diffraction)
  • The __________ is the ability of an object to transmit light without scattering it. (Transparency)
  • The __________ is the range of wavelengths of electromagnetic radiation that is visible to the human eye. (Visible Spectrum)
  • __________ is the phenomenon of two or more waves combining to form a single wave with greater or lesser amplitude. (Interference)
  • __________ is an optical instrument used to correct and enhance vision by bending light to focus it on the retina. (Eyeglasses)
  • __________ is an optical instrument used in photography to focus light onto the image sensor or film. (Camera Lens)
  • A __________ is an optical instrument used to measure the intensity of light. (Light Meter)
  • __________ is a medical imaging technique that uses light to create detailed images of internal body structures. (Optical Coherence Tomography (OCT))
  • __________ is a technique that uses laser light to perform precise surgical procedures. (Laser Surgery)

Optics MCQs of Physics for Initial Tests (Part-7)

  • __________ is an optical device used to create a magnified, virtual image of the object. (Magnifying Glass)
  • __________ is an optical instrument used to measure the refractive index of a substance. (Refractometer)
  • __________ is a technique that uses lasers to store and retrieve digital data in three-dimensional space. (Holographic Storage)
  • A __________ is an optical instrument used to project an enlarged image of an object onto a screen. (Projector)
  • __________ is a technique that uses laser light to examine the chemical composition of materials. (Raman Spectroscopy)
  • __________ is an optical instrument used to measure the distance between two points with high precision. (Laser Rangefinder)
  • __________ is a technique that uses light to transmit information through optical fibers for long-distance communication.(Fiber Optic Communication.)
  • __________ is an optical instrument used to view objects that are too small to be seen with the naked eye. (Microscope)
  • __________ is a technique that uses light to scan and capture images of objects or documents. (3D Scanning)
  • __________ is an optical instrument used to detect and analyze the spectrum of light emitted or absorbed by a substance. (Spectrophotometer)

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