REFRACTION OF LIGHT THROUGH A PRISM

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REFRACTION OF LIGHT THROUGH A PRISM by Mind Map: REFRACTION OF LIGHT THROUGH A PRISM

1. Factors affecting Critical Angle 1) Colour or wavelength 2) Temperature

2. Equilateral Prism Isosceles Prism

3. Terms- Angle of incidence Angle of refraction Normal Incident ray Refracted ray Angle of deviation Angle of deviation

4. Angle of prism

5. Refractive index = Speed of light in air/ speed of light in media μ = c / v

6. Factors affecting Angle of Deviation 1) Angle of incidence 2) Refractive index 3) Angle of prism 4) Wavelength

7. PRISM- A piece of glass or any other refracting medium bound by 5 plane surfaces inclined at certain angles. (2 triangular, 3 rectangular surfaces)

8. Critical Angle- The specific angle of incidence at which the angle of refraction is equal to 90 degrees when light passes through denser to rarer medium.

9. TOTAL INTERNAL REFLECTION When the angle of incidence is greater than critical angle and the ray of light travelling from denser to rarer medium gets reflected in denser medium