BACKGROUND: Sir Isaac Newton believed that white light was colorless and that the prisms alone produced the colored spectrum. Newton's experiments, however, convinced him that all the colors already existed in the light, and that light consisted of particles of different colors traveling with different speeds through the prism. Later, scientists Young and Fresnel showed that color is determined by light's wavelength, not particles of different sizes as Newton had thought. Light changes speed as it moves from one substance to another (for exampl ....etc

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INTRODUCTION:
In the prism of a transparent optical element with flat, polished surfaces That refract light.The exact angles between surfaces depends on the application.TheTraditionalgeometrical form a triangular prism with a triangular base and rectangular sides, and in colloquial use Prism usually refers to this type. Some types of optical Prism has Notin factor in the form of geometric prisms.Prisms can be any material made from this istransparent wavelengths for which they are intended. Typical materials include glass, plastic, and fluori ....etc

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To get full information or details of hollow prism experiment 12 cbse please have a look on the pages

http://scribddoc/204529344/Hollow-Prism-Physics-Investigatory-Project-Class-12-CBSE#scribd

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To get full information or details of hollow prism experiment readings please have a look on the pages

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Materials Required: A Resistance wire, voltmeter, ammeter, battery, rheostat, meter scale, one way key, connecting wires etc.

Theory: If I be the current flowing through a conductor & V be the potential difference across its ends, then according to Ohm s law
V I
or V = RI
Where, R is the constant of proportionality. It is known as resistance of the conductor.
V/I=R
R depends upon the nature of material, temperature & dimensions of the conductor.

Procedure:
1. Clean the ends of the connecting wires with the help of sand p ....etc

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request you to give the material for hollow prism experiment
thanks ....etc

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In optics, a prism is a transparent optical element with flat, polished surfaces that refract light. At least two of the flat surfaces must have an angle between them. The exact angles between the surfaces depend on the application. The traditional geometrical shape is that of a triangular prism with a triangular base and rectangular sides, and in colloquial use prism usually refers to this type. Some types of optical prism are not in fact in the shape of geometric prisms. Prisms can be made from any material that is transparent to the wavele ....etc

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To get full information or details of physics hollow prism experiment please have a look on the pages

http://ppr21.blogspot2012/12/contents-sl.html

http://arborsciData_Sheets/33-0235_DS.pdf

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AIM:
To investigate the dependence of the angle of deviation, on the angle of incidence, using a hollow prism filled, one by one, with different transparent fluids.

APPARATUS REQUIRED:
A hollow glass prism;
Drawing board;
White sheets;
Drawing pins;
Pins;
A sharp pencil;
Glycerine; &
Water.

RESULT:
The graphs for both the liquids are similar.
(For water) = ..
(For glycerine) = ..
The minimum deviation
for glycerine is greater than that for water. ....etc

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Pleassee..tell me the readings of the different angle of deviation according 2 the variation in angle of incidence when a hollow prism is filled one by one with water, kerosene oil, glycerine and turpentine. ..please answer me soonn..thankuu ....etc

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