A) Thermodynamics B) Optics C) Biology D) Acoustics
A) Diffraction B) Reflection C) Refraction D) Dispersion
A) Flat mirror B) Convex mirror C) Concave mirror D) Plane mirror
A) 45 degrees B) 90 degrees C) Angle of reflection D) 180 degrees
A) Convex lens B) Cylindrical lens C) Concave lens D) Bifocal lens
A) 1 billion feet per second B) 299,792,458 meters per second C) 100,000 kilometers per second D) 500,000 miles per second
A) Cornea B) Pupil C) Lens D) Iris
A) Blue B) Violet C) Red D) Green
A) Dispersion B) Rayleigh scattering C) Diffraction D) Refraction
A) Euclid B) Aristotle C) Democritus D) Plato
A) Greeks B) Persians C) Romans D) Ancient Egyptians and Mesopotamians
A) Plato B) Euclid C) Roger Bacon D) Alhazen
A) Roger Bacon B) Robert Grosseteste C) Johannes Kepler D) Alhazen (Ibn al-Haytham)
A) René Descartes B) Christiaan Huygens C) Isaac Newton D) Johannes Kepler
A) Johannes Kepler B) Robert Hooke C) Isaac Newton D) Christiaan Huygens
A) The double slit experiment B) Refraction through lenses experiment C) Prism dispersion experiment D) Reflective mirror experiment
A) Isaac Newton B) James Clerk Maxwell C) Thomas Young D) Augustin-Jean Fresnel
A) Photoelectric effect B) Interference of light C) Diffraction patterns D) Blackbody radiation
A) Albert Einstein B) Max Planck C) James Clerk Maxwell D) Niels Bohr
A) Paul Dirac and Albert Einstein B) George Sudarshan, Roy J. Glauber, and Leonard Mandel C) Isaac Newton and Christiaan Huygens D) Max Planck and Niels Bohr
A) The compound microscope B) The spectacles C) The first wearable eyeglasses D) The refracting telescope
A) Roger Bacon B) Thomas Aquinas C) Alhazen D) Robert Grosseteste
A) Johannes Kepler B) Isaac Newton C) Christiaan Huygens D) Roger Bacon
A) Thomas Young and Augustin-Jean Fresnel B) Albert Einstein and Niels Bohr C) Isaac Newton and Robert Hooke D) James Clerk Maxwell and Max Planck
A) The spectacles B) The refracting telescope C) The maser D) The compound microscope
A) Light travels as an electromagnetic wave. B) Light travels in circular paths. C) Light travels in straight lines. D) Light travels randomly.
A) Fermat's principle, which states that light takes the path that can be traversed in the least time. B) Newton's law of motion. C) Huygens' principle. D) Planck's constant.
A) Left-right inversion B) Up-down inversion C) Front-back inversion D) No inversion
A) Spherical mirrors B) Parabolic mirrors C) Corner reflectors D) Flat mirrors
A) They pass through without changing direction. B) They scatter randomly. C) They converge at a common focus. D) They diverge away from the focus.
A) Astigmatism B) Spherical aberration C) Chromatic aberration D) Coma aberration
A) Inverted B) Virtual C) Magnified D) Real
A) The image size is unchanged. B) The image is inverted. C) The image is upright. D) The image is virtual.
A) n1 - n2 = sin(θ1) - sin(θ2) B) n1 sin θ1 = n2 sin θ2 C) n1/n2 = sin(θ1)/sin(θ2) D) n1 + n2 = sin(θ1) + sin(θ2)
A) n = c/v B) n = c + v C) n = cv D) n = v/c
A) It causes diffraction to disappear B) It has no effect on resolution C) It decreases the resolution D) It improves the resolution
A) Flicker noise B) Shot noise C) Quantum noise D) Thermal noise
A) LEDs B) Lasers C) Photodiodes D) Fiber optics cables
A) Cornea B) Pupil C) Optic nerve exit D) Lens
A) Random interference patterns B) Destructive interference with decreased amplitude C) Constructive interference with increased amplitude D) No change in wave amplitude
A) A circle B) A spiral C) An ellipse D) A single line
A) Accommodation B) Refraction C) Diffraction D) Reflection
A) Quantum optics B) Statistical optics C) Non-linear optics D) Illumination engineering
A) Unpolarised B) Partially polarised C) Circularly polarised D) Fully polarised
A) Lens B) Retina C) Fovea D) Cornea
A) Particles. B) Photons only. C) Waves. D) Beams.
A) Arthur Schawlow B) Albert Einstein C) Charles Townes D) Theodore Maiman
A) 300 to 600 nm. B) 500 to 800 nm. C) 400 to 700 nm. D) 200 to 900 nm.
A) Waveguide dispersion B) Anomalous dispersion C) Normal dispersion D) Material dispersion
A) Michelson interferometer B) Dielectric mirror C) Antireflective coating D) Interference filter
A) Lumens B) Meters C) Watts D) Diopters
A) 75% B) 100% C) Around 38% D) 50%
A) Presbyopia B) Hyperopia C) Astigmatism D) Myopia
A) 2.5×108 m/s. B) 4.0×108 m/s. C) 1.5×108 m/s. D) 3.0×108 m/s.
A) Retina cells B) Cone cells C) Rod cells D) Lens cells
A) By increasing wave amplitude B) By using destructive interference C) By using constructive interference D) By aligning wave crests and troughs
A) Exposure ∝ ApertureArea × ExposureTime × SceneLuminance B) Exposure ∝ ApertureArea + ExposureTime + SceneLuminance C) Exposure ∝ ApertureArea - ExposureTime × SceneLuminance D) Exposure ∝ (ApertureArea × ExposureTime) / SceneLuminance
A) Rainbows B) Coronas C) Mirages D) Halos
A) Geometrical optics B) A vector model C) A scalar model D) Fourier optics
A) Cone cells B) Rod cells C) Retina cells D) Lens cells
A) Chirp rate B) Dispersion delay parameter (D) C) Phase shift D) Wavelength modulation
A) Radios B) Masers C) Lasers D) Microwaves
A) 1982 B) 1960 C) 1974 D) 1958
A) James Clerk Maxwell B) Albert Einstein C) Isaac Newton D) Niels Bohr
A) Neurosurgery B) Bloodless surgery C) Open-heart surgery D) Orthopedic surgery
A) Anisotropic materials B) Gradient-index (GRIN) materials C) Homogeneous materials D) Isotropic materials
A) The café wall illusion. B) The Ehrenstein illusion. C) The Zöllner illusion. D) The Ames room illusion.
A) Optics B) Superposition C) Huygens–Fresnel principle D) Interferometry
A) Group velocity B) Propagation constant C) Abbe number D) Refractive index
A) Gaussian beam propagation B) Kirchhoff diffraction equation C) Fourier optics D) Finite element method
A) Malus's law B) Fresnel's law C) Brewster's law D) Snell's law
A) Green flash B) Novaya Zemlya effect C) Brocken spectre D) Fata Morgana
A) Cornea B) Lens C) Retina D) Pupil
A) Numerical modeling techniques like the finite element method B) Geometrical optics C) Gaussian beam propagation D) Fourier optics
A) Circular polarisation B) Elliptical polarisation C) Random polarisation D) Linear polarisation
A) Brillouin effect B) Rayleigh effect C) Tyndall effect D) Compton effect
A) Barcode scanner B) Fiber-optic communication system C) Laserdisc player D) Compact disc player
A) Unpolarised B) Random polarisation C) Circular or elliptical polarisation D) Linear polarisation
A) Chromatic aberrations. B) Diffraction effects. C) Interference patterns. D) Monochromatic aberrations.
A) Michelson interferometers B) Antireflective coatings C) Thin film filters D) Dielectric mirrors
A) Hyperopia B) Myopia C) Astigmatism D) Presbyopia
A) Airy disk B) Fresnel zone C) Rayleigh spot D) Bragg peak
A) Maxwell's equations B) Huygens' principle C) Gaussian beam propagation D) The Kirchhoff diffraction equation
A) Huygens–Fresnel principle B) The finite element method C) Geometrical optics D) Gaussian beam propagation
A) Francesco Maria Grimaldi B) Robert Hooke C) James Gregory D) Isaac Newton
A) Constructive interference with increased amplitude B) Destructive interference with decreased amplitude C) Random interference patterns D) No change in wave amplitude
A) Absorption effects B) Scattering effects C) Emission effects D) Polarisation effects
A) Niels Bohr B) Albert Einstein C) James Clerk Maxwell D) Étienne-Louis Malus
A) Material dispersion B) Anomalous dispersion C) Normal dispersion D) Waveguide dispersion |