Medium
The refractive indices of turpentine oil,kerosene,and alcohol are $1.47, 1.44$,and $1.36$ respectively. Based on this information,complete the following ray diagrams to show the path of a ray of light through each medium. (Give a reason for your answer.)
(N/A) In this case,the light ray travels from alcohol $(n=1.36)$ to kerosene $(n=1.44)$ and then to turpentine oil $(n=1.47)$. Since the light is moving from a rarer to a denser medium at each interface,the ray of light bends towards the normal.
$(b)$ In this case,the light ray travels from turpentine oil $(n=1.47)$ to kerosene $(n=1.44)$ and then to alcohol $(n=1.36)$. Since the light is moving from a denser to a rarer medium at each interface,the ray of light bends away from the normal.
$(b)$ In this case,the light ray travels from turpentine oil $(n=1.47)$ to kerosene $(n=1.44)$ and then to alcohol $(n=1.36)$. Since the light is moving from a denser to a rarer medium at each interface,the ray of light bends away from the normal.
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