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Light, An Umbra, A Penumbra, An antumbra, Application, Light as Particle,…
Light
Properties
Reflection of Light
Related Turms
c. Point of incidence
d. Normal
b. Reflected ray
e. Angle of incidence
a. Incident ray
f. Angle of reflection
Laws of Reflection
First Law
Second Law
Types of reflection
a. Regular reflection
Smooth wall surface
b. Irregular reflection
Rough wall surface
c. Partial reflection
d. Total internal reflection
e. Critical angel
5) Reflection of reflected light
a. Kaleidoscope
b. Periscope
Scattering of light
Tyndall effect
Refraction of Light
Laws of refraction
Snell's Law
sini/sinr=constant=n
Refractive Index
2n1 = V1 / V2
Effect of Atmospheric condition on refraction
Mirage
Illusion
Twinkling of stars and planet
Sunrise and Sunset
Application
Lenses
Related Terms
Center of curveture (C)
Radius of curvature (R)
Optical Centre (O)
Principal Focus (F)
Focal Length (f)
Types
a. Convex Lens
Image formed
Uses
Simple Microscope
Telescope
Compound Microscope
optical instruments
Spectacle
b. Concave Lens
Sign Conventions
Uses
Binoculars & Telescope
Spectacles, cameras
Lasers, Flashlights
Lens Formula
1/v-1/u=1/f
Magnification (M)
M=h1/h2=v/u
Power of lens
P = 1/f
Combination of Lens
1/f = 1f1 =1/f2
Human Eye
Structure
Defects of vision & their corrections
a. Nearsightedness/Myopia
b. Farsightedness/ Hypermetropia
c. Presbyopia
Apparent Position of Object
Persistence of vision
Rod like cells
Conical cells
Color Blindness
Image
Rainbow Production
Telescope
Light travels in state line
Three Card Experiment
Dispersion Of Light
Prism
VIBGOYR
Absorption of Light
Black color
Sources
Incandescent
Artificial
Traditional lamp
Bulbs lit by bateries
Electric bulbs
Natural
Sunlight, Stars, Heat & Fire
Electromagnetic spectrum
Light as Wavelenght
X-ray
Radio
Infrared
Gama rays
Ultra voilet
Visible Light
Prism
VIBGOYR
Luminiscent
Computer/mobile screens
Fluorescent Light
LED's
Shadows
material
Opaque
semi Transparent
Transparent
Types
Speed of Light
299,792,458 m/s
Light can travel Through
Air , Water and Vaccum
An Umbra
a. Total Solar Eclipse
b. Total Lunar Eclipse
c. Partial Lunar Eclipse
A Penumbra
b. Partial Lunar Eclipse
c. Penumbral Lunar Eclipse
a. Partial Solar Eclipse
An antumbra
a. Annular Solar Eclipse
b. Penumbral
Application
Mirrors
b. Spherical mirror
Types
i. Concave
Solar cook
Shaving mirror
Dentist mirror
ii. Convex
Vehicle mirrors
reflectors
Mirror Formula
1/v +1/u = 1/f
M = h2/h1 = -v/u
Cartesian sign conventions
Plane mirror
Uses
Decoration
Windows
Solar cooker
Periscope
Kaleidoscope
In museum
Light as Particle
Photon
