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Light shine through semi-circle perspex block that refracts the light to change the angle from the centre (angle of incidence) to a shorter angle to the other side of perspex block (angle of refraction). The first result of angle of incidence of 20˚ refracted the angle of 12˚ giving n a value of 1.645.
n=sini/sinr
n=sin20/sin12
n=0.342/0.208
n=1.645
The results shown below of my second, and third results shows that the initial n is a constant, all incidence light angles are refracted and changed angles to a ((1.65+1.54+1.58+1.53+1.51+1.53)/6) 1.556 is the average n constant.
n=sini/sinr n=sini/sinr
n=sin30/sin19 n=sin40/sin24
n=-0.5/0.325 n=0.643/0.407
n=1.535 n=15.80
This experiment shows that light waves bends due to the medium so in this case, the medium was a perspex block to show how light refracts.
This could show how light waves bends in space, water, and etc
This experiment was a success showing us that n is a constant and angle changes the refraction due to the perspex block. Could be have been most improved I were to change angles on a wider range than 10 degrees.
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