physics project
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In this blog we will see how to make project on'PROJECT ON REFRACTIVE INDEX OF HOLLOW PRISM FOR DIFFERENT LIQUIDS'.Before starting this we have to know about refraction .
1 Refraction
In a homogeneous medium light travels along a straight path. But when a ray light travels from one transparent medium to another, it bends while crossing the surface separating the two mediums. The phenomenon of change in path of light, a sit goes from one medium to another, is called refraction When a ray of light passes from an optically rarer medium to a denser medium, it bends towards the normal and when it travels from a denser medium to rarer medium, it bends away from the normal.
LOW OF REFRACTION
The phenomenon of refraction takes place according to the following two laws:
1. The incident ray, the refracted ray and the normal to the surface at the point of incidence all lie in one plane.
2. For any two given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.
This constant is denoted by µ and is called the relative refractive index of one medium with respect to other medium .
Mathematically ;µ = sin i/sin r It is also called Snell’s Law of Refraction. The refractive index of a medium depends on the following factors
1) the nature of both the medium
2) the wavelength of the incident light
If one medium is vacuum (or air), then the constant ratio given is called absolute refractive index of the other medium.
The absolute refractive index of a medium can be defined in other way also.
The ratio of the velocity of light in vacuum to the velocity of the light in the medium is called absolute refractive index of the medium
2.prism
A prism is the portion of transparent refracting medium bound by two plane surface which meet each other along a straight edge.
the two plane surfaces are called refracting faces and the line along which the two surface meet is called the refracting edge of the prism The angle between the two refracting surface is called the angle of the prism. Usually, the angle of prism is equal to 60º.
When a ray of light is inclined on one refracting face of the prism, it enters the prism after suffering refraction at the first place. Then, the ray of light emerges out of the prism after suffering refraction at its second refracting face.
FROM HERE YOU CAN MAKE A PERFECT PROJECT
FROM HERE YOU CAN MAKE A PERFECT PROJECT
BY VIDEO
AND BY PDF
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