Reflection of light physics

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nyvfbazbngrf

Science

Question Description

1) Compare the distance from the object pin to the plastic with the distance from the image to the plastic. What can you conclude?

2) Compare the angle of incidence for the plastic with the angle of reflection. What can you conclude?


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Explanation & Answer

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the object distance is smaller than the image distance because for the image to be formed the rays must move a longer distance. Image distance is greater than object distance.

 

 

Snell's law states that the ratio of the sines of the angles of incidence and refraction is equivalent to the ratio of the phase velocities in the two media, or equivalent to the opposite ratio of the indices of refraction:

sin{theta(1)}/sin{theta(2)} = v(1)/v(2) = n(2)/n(1)

with each θ as the angle measured from the normal, v as the velocity of light in the respective medium and n as the refractive index of the respective medium

Please let me know if you need any clarification. I'm always happy to answer your questions.

Treirl O. (175)
Cornell University

Anonymous
I was struggling with this subject, and this helped me a ton!

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