Which property of light determines its color?
a) Wavelength
b) Frequency
c) Amplitude
d) Phase
Answer: Answer: a) Wavelength
What is the refractive index of a vacuum?
a) 0
b) 1
c) ∞ (infinity)
d) -1
Answer: Answer: b) 1
What is the phenomenon that causes light to change direction when passing from one medium to another?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: b) Refraction
What is the critical angle of a medium?
a) The angle at which total internal reflection occurs
b) The angle at which light is completely absorbed
c) The angle at which light is refracted the most
d) The angle at which light is completely transmitted
Answer: Answer: a) The angle at which total internal reflection occurs
What is the phenomenon where light waves add up or cancel each other out?
a) Interference
b) Diffraction
c) Scattering
d) Absorption
Answer: Answer: a) Interference
What is the phenomenon where light waves bend and spread out when passing through an opening or around an obstacle?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: c) Diffraction
What is the unit of measurement for the power of a lens?
a) Diopter
b) Meter
c) Watt
d) Newton
Answer: Answer: a) Diopter
What type of lens is thicker at the center than at the edges?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: a) Convex lens
What type of lens is thinner at the center than at the edges?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: b) Concave lens
What is the phenomenon where white light is separated into its component colors?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: d) Dispersion
What is the range of wavelengths in the visible spectrum?
a) 400 nm – 700 nm
b) 200 nm – 2000 nm
c) 700 nm – 1000 nm
d) 1000 nm – 2000 nm
Answer: Answer: a) 400 nm – 700 nm
What is the unit of measurement for the intensity of light?
a) Candela
b) Lumen
c) Lux
d) Watt
Answer: Answer: b) Lumen
What is the unit of measurement for the frequency of light?
a) Hertz
b) Newton
c) Pascal
d) Ampere
Answer: Answer: a) Hertz
Which type of mirror curves inward and forms a real, inverted image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: b) Concave mirror
Which type of mirror curves outward and forms a virtual, upright image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: a) Convex mirror
Which type of lens is used to correct nearsightedness?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: b) Concave lens
Which type of lens is used to correct farsightedness?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: a) Convex lens
What is the device used to separate light into its component colors?
a) Prism
b) Lens
c) Mirror
d) Filter
Answer: Answer: a) Prism
What is the process of converting light energy into electrical energy called?
a) Photovoltaics
b) Photodetection
c) Photoemission
d) Photoelectric effect
Answer: Answer: a) Photovoltaics
Which phenomenon causes light to change direction when passing through a medium with a varying refractive index?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: c) Diffraction
What is the unit of measurement for the speed of light?
a) Meters per second (m/s)
b) Kilometers per hour (km/h)
c) Miles per hour (mph)
d) Lightyears per second (ly/s)
Answer: Answer: a) Meters per second (m/s)
What is the principle that states that the angle of incidence is equal to the angle of reflection?
a) Snell’s law
b) Huygens’ principle
c) Fermat’s principle
d) Law of reflection
Answer: Answer: d) Law of reflection
What is the process of combining multiple light waves to form a single wave with a stronger amplitude called?
a) Interference
b) Diffraction
c) Scattering
d) Superposition
Answer: Answer: a) Interference
What is the term used to describe the bending of light around obstacles or edges?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: c) Diffraction
Which type of lens has both surfaces curved inward?
a) Biconvex lens
b) Biconcave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: a) Biconvex lens
Which type of lens has one surface curved inward and one surface flat?
a) Biconvex lens
b) Biconcave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: c) Plano-convex lens
What is the device used to control the amount of light passing through an optical system?
a) Prism
b) Lens
c) Mirror
d) Filter
Answer: Answer: d) Filter
What is the unit of measurement for the energy of a photon?
a) Joule
b) Electron volt
c) Watt
d) Pascal
Answer: Answer: b) Electron volt
Which type of mirror forms a virtual, upright image with a wider field of view?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: a) Convex mirror
Which type of mirror forms a virtual, upright image with the same size as the object?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: c) Plane mirror
What is the process of converting electrical energy into light energy called?
a) Photovoltaics
b) Photodetection
c) Photoemission
d) Electroluminescence
Answer: Answer: d) Electroluminescence
What is the process of converting light energy into mechanical energy called?
a) Optomechanics
b) Photomechanics
c) Photoacoustic effect
d) Optoacoustic effect
Answer: Answer: c) Photoacoustic effect
What is the phenomenon where light is scattered in all directions by small particles or irregularities?
a) Reflection
b) Refraction
c) Diffraction
d) Scattering
Answer: Answer: d) Scattering
What is the device used to combine or separate different wavelengths of light?
a) Prism
b) Lens
c) Mirror
d) Grating
Answer: Answer: d) Grating
What is the principle that relates the angle of incidence and angle of refraction of light passing through a boundary between two media?
a) Snell’s law
b) Huygens’ principle
c) Fermat’s principle
d) Law of refraction
Answer: Answer: a) Snell’s law
What is the process of converting light energy into heat called?
a) Photothermal effect
b) Photodetection
c) Photoemission
d) Photovoltaics
Answer: Answer: a) Photothermal effect
What is the unit of measurement for the distance between two adjacent peaks or troughs of a wave?
a) Meter
b) Second
c) Hertz
d) Nanometer
Answer: Answer: d) Nanometer
Which type of mirror forms a virtual, upright image with the same size as the object?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: c) Plane mirror
What is the process of converting light energy into chemical energy called?
a) Photocatalysis
b) Photodetection
c) Photoemission
d) Photoelectric effect
Answer: Answer: a) Photocatalysis
Which phenomenon causes the dispersion of white light into its component colors when passing through a prism?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: d) Dispersion
What is the unit of measurement for the intensity of light?
a) Candela
b) Lumen
c) Lux
d) Watt
Answer: Answer: b) Lumen
What is the unit of measurement for the frequency of light?
a) Hertz
b) Newton
c) Pascal
d) Ampere
Answer: Answer: a) Hertz
Which type of mirror curves inward and forms a real, inverted image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: b) Concave mirror
Which type of mirror curves outward and forms a virtual, upright image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: a) Convex mirror
What is the process of converting light energy into electrical energy called?
a) Photovoltaics
b) Photodetection
c) Photoemission
d) Photoelectric effect
Answer: Answer: a) Photovoltaics
Which phenomenon causes light to change direction when passing through a medium with a varying refractive index?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: c) Diffraction
What is the unit of measurement for the speed of light?
a) Meters per second (m/s)
b) Kilometers per hour (km/h)
c) Miles per hour (mph)
d) Lightyears per second (ly/s)
Answer: Answer: a) Meters per second (m/s)
What is the principle that states that the angle of incidence is equal to the angle of reflection?
a) Snell’s law
b) Huygens’ principle
c) Fermat’s principle
d) Law of reflection
Answer: Answer: d) Law of reflection
What is the process of combining multiple light waves to form a single wave with a stronger amplitude called?
a) Interference
b) Diffraction
c) Scattering
d) Superposition
Answer: Answer: a) Interference
What is the term used to describe the bending of light around obstacles or edges?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: c) Diffraction
Which type of lens has both surfaces curved inward?
a) Biconvex lens
b) Biconcave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: a) Biconvex lens
Which type of lens has one surface curved inward and one surface flat?
a) Biconvex lens
b) Biconcave lens
c) Plano-convex lens
d) Plano-concave lens
Answer: Answer: c) Plano-convex lens
What is the device used to control the amount of light passing through an optical system?
a) Prism
b) Lens
c) Mirror
d) Filter
Answer: Answer: d) Filter
What is the unit of measurement for the energy of a photon?
a) Joule
b) Electron volt
c) Watt
d) Pascal
Answer: Answer: b) Electron volt
Which type of mirror forms a virtual, upright image with a wider field of view?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: a) Convex mirror
Which type of mirror forms a virtual, upright image with the same size as the object?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: c) Plane mirror
What is the process of converting electrical energy into light energy called?
a) Photovoltaics
b) Photodetection
c) Photoemission
d) Electroluminescence
Answer: Answer: d) Electroluminescence
What is the process of converting light energy into mechanical energy called?
a) Optomechanics
b) Photomechanics
c) Photoacoustic effect
d) Optoacoustic effect
Answer: Answer: c) Photoacoustic effect
What is the phenomenon where light is scattered in all directions by small particles or irregularities?
a) Reflection
b) Refraction
c) Diffraction
d) Scattering
Answer: Answer: d) Scattering
What is the device used to combine or separate different wavelengths of light?
a) Prism
b) Lens
c) Mirror
d) Grating
Answer: Answer: d) Grating
What is the principle that relates the angle of incidence and angle of refraction of light passing through a boundary between two media?
a) Snell’s law
b) Huygens’ principle
c) Fermat’s principle
d) Law of refraction
Answer: Answer: a) Snell’s law
What is the process of converting light energy into heat called?
a) Photothermal effect
b) Photodetection
c) Photoemission
d) Photovoltaics
Answer: Answer: a) Photothermal effect
What is the unit of measurement for the distance between two adjacent peaks or troughs of a wave?
a) Meter
b) Second
c) Hertz
d) Nanometer
Answer: Answer: d) Nanometer
Which type of mirror forms a virtual, upright image with the same size as the object?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: c) Plane mirror
What is the process of converting light energy into chemical energy called?
a) Photocatalysis
b) Photodetection
c) Photoemission
d) Photoelectric effect
Answer: Answer: a) Photocatalysis
Which phenomenon causes the dispersion of white light into its component colors when passing through a prism?
a) Reflection
b) Refraction
c) Diffraction
d) Dispersion
Answer: Answer: d) Dispersion
What is the unit of measurement for the intensity of light?
a) Candela
b) Lumen
c) Lux
d) Watt
Answer: Answer: b) Lumen
What is the unit of measurement for the frequency of light?
a) Hertz
b) Newton
c) Pascal
d) Ampere
Answer: Answer: a) Hertz
Which type of mirror curves inward and forms a real, inverted image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: b) Concave mirror
Which type of mirror curves outward and forms a virtual, upright image?
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
Answer: Answer: a) Convex mirror
