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Introduction to light class-12 Physics : Basics of Optics Lecture-02


 PHYSICS

CLASS-12
CBSE/ICSE/IB BOARD/BSEB (Bihar Board )/IIT-JEE/NEET
LECTURE - 02
INTRODUCTION TO LIGHT
BASICS OF OPTICS
RAY OPTICS :
Optics :
1. Optics : Definition of optics
2. Branches of optics
3. Ray Optics or Geometrical Optics
4. Wave Optics or Physical Optics

Ray Optics :
1. Sources of light
2. Ray
3. Beam of light
4.Divergent beam of light
5. Parallel beam of light
6. Convergent beam of light
7. Rectilinear propagation of light
8.Shadow
9. Umbra
10. Penumbra
11. Eclipses : Solar eclipse and Lunar eclipse
12. Classification of substances :
       (a) Transparent body
        (b) Translucent body
         (c) Opaque
Photometry :
1. Photometry
2.Photometer :Optical bench
3.Luminous flux
4. Luminous Intensity
5. Illuminance
6. Inverse square law
7. Luminous efficiency
8.Lambert Cosine Law
9. Principle of photometer
10. BUNSEN'S GREASED SPOT PHOTOMETER

BY S.N. Choudhary
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B.D.GURUKUL
RISHI NAGAR , RANIBAGH , DELHI-34 , INDIA
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