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USING A LASER TO MEASURE THE SPEED OF LIGHT IN GELATIN

ABSTRACT

Think it takes exspensive sophisticated equipment to measure the speed of light in? think again! outfit yourself with a simple hand held laser pointer a protracter and a gelatin,and your ready to get started.

MATERIALS

VARIABLES

PROCEDURES

RESEARCH

OBJECTIVE

Dependent variable: jello

Independent variable:lasers

Come up with your own set up

make your gelatin

mount the laser pointer on a pre made device

fix the laser device and record the angle

shine the laser through the gelatin

find the speed of light in gelatin

*A device that produces a visible laser beam such as a laser pointer or a laser level.

*A mounting device on which the laser device rests that cn easily indicate where the beam is pointed.

*A protractor or a homade protracter that can easily indicate the angle of refraction inside the gelatin

*gelatin a clear or a light transperent color would generally work best

*plastc containers to mold the gelatin.

The objective of this project is to measure the speed of light in gelatin by using a inexpensive laser such as a laser pointer or a laser level.

The law of recreation which is also known as snells law actually applies to everyday life.For example before you answer the door and see your friends face through the glass.

EXPIREMENT

This is how my expirement whent first i set up my laser pointer and mounting device then i made the jello and took it out the fridge and set it up the i measuered it 5 times but it was the same result it whent through it but when it hit the wall there was not enough power to it.

RESEARCH

QUESTION

The beauty of this project also lies in how you can verify one of the most basic laws of optics expirimentaly by using readily availible and inexpensive materials

My question is that if the laser goes through the jello what is going to be the speed

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