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  1. Optics
  2. Diffraction, Interference and Doppler Effect
  3. Luminous Flux, Luminous Intensity and Illuminance of Light
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Light Rays and Spherical Mirrors
Thin Lenses and Lensmaker's Equation
Applications of Thin Lenses
Diffraction, Interference and Doppler Effect
Huygen's Principle and Diffraction
Mirages
Double-Slit Experiment
Distance between Fringes in Double-Slit Experiment
Wave Interference in Double Slit Experiment
Wavelength and Double Slit Interference
Thin Film Interference
Luminous Flux, Luminous Intensity and Illuminance of Light
Luminous Efficiency and Illuminance Example
Single Slit Diffraction
Single Slit Diffraction Example
X-Ray Tube and Bremsstrahlung
X-Ray Diffraction and Bragg Equation
X-Ray Diffraction Example
Doppler Effect for Light
Doppler Effect for Light Example
Redshift of Visible Light
Plane-Polarized Light and Polarization

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Luminous Flux, Luminous Intensity and Illuminance of Light

Content Provider AK Lectures
Description The luminous flux of light is the power that is carried by that light as it is perceived by the human eye. The units of luminous flux are lumens and 683 lumens is equivalent to one watt of power carried by light with a wavelength of 555 nanometers. The luminous intensity is defined as the luminous flux per solid angle and it expresses the directionality of the energy radiated by the light. The illuminance of visible light is defined as the luminous flux per unit area. It basically tells us the rate of change of energy of light that falls onto some surface area.
Language English
Access Restriction Open
Subject Keyword Classical Physics wavelength eye illuminance light change directionality angle flux watt
Content Type Video
Educational Role Teacher Student
Educational Use Self Learning Lecture Reading
Resource Type Video Lecture
Education Level Under Graduate
Subject Physics
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