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Refraction of Light : Snell's Law: Refractive Index


 PHYSICS

CLASS-12
CBSE/ICSE/IB BOARD/BSEB BIHAR BOARD/IIT-JEE/NEET
OPTICS
LECTURE-10
REFRACTION OF LIGHT AND LAWS OF REFRACTION,
SNELL'S LAW OF REFRACTION OF LIGHT
                                &
REFRACTIVE INDEX OF A MEDIUM

Refraction of light:
1. Definition of refraction of light
2. Ray diagram
3. Cause of refraction
4. Refraction from rarer to denser medium
5. Refraction from denser to rarer medium
6. Incident ray
7. Refracted ray
8. Normal
9. Angle of incidence
10. Angle of refraction

When refraction occurs
1. Phase remains constant
2. Frequency remains constant
3. Velocity changes
4. Wave length changes

Laws of  refraction
1. First law of refraction
2. Second law of refraction i.e. Snell's law

Refractive index
1. Refractive index
2. Absolute refractive index
3. Refractive index in terms of velocity
4. Refractive index in terms of wave length .
                             BY
SHIVANAND CHOUDHARY

Website :https:// www.snphysicsexpert.com

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B.D.GURUKUL

RISHI NAGAR , RANIBAGH, PITAMPURA, DELHI-34 , INDIA

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