anonymous
  • anonymous
Part 1: What does this diagram indicate about the indexes of refraction of the three mediums? **image attached inside!** A. The index for Medium 2 is larger than the index for Medium 1. B. The index for Medium 2 is equal to the index for Medium 3. C. The index for Medium 2 is equal to the index for Medium 1. D. The index for Medium 3 is larger than the index for Medium 2. Part 2: *same diagram!* What does this diagram indicate about the speed of light in the three media? A. Light travels faster in Medium 3 than in Medium 2. B. Light has the same speed in Medium 3 and Medium 2. C. Light travels faster in Medium 2 than in Medium 1. D. Light has the same speed in Medium 2 and Medium 1.
Physics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
yadu123
  • yadu123
no not sure of this
yadu123
  • yadu123
actually i dont take physics

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anonymous
  • anonymous
ohh okay, thank you though!
yadu123
  • yadu123
im taking ap chem next year
anonymous
  • anonymous
ooh okie!
perl
  • perl
With greater refraction the light will have to travel farther and will take more time to reach a given destination. The higher the refractive index, the lower the speed at which light travels.
anonymous
  • anonymous
so for part 1, is choice D the accurate answer? or would it be choice A? :/ they wouldn't be equal right? I am between those two choice (A and D) now :/
anonymous
  • anonymous
@perl? :)
anonymous
  • anonymous
and i have no idea for part 2 :(
perl
  • perl
i think thats right, just making sure
anonymous
  • anonymous
okie yay! what about the second part? :/ confused :(
anonymous
  • anonymous
so for part 1 it should be choice D? :)
perl
  • perl
when light moves from a material in which its speed is higher to a material in which its speed is lower, the ray is bent toward the normal
perl
  • perl
so from medium n1 to n2, the ray is bending away from the normal, therefore the speed of light is faster in n2 than in n1
anonymous
  • anonymous
okay! so for part 1, it is D ? and for part 2, it would be choice C?
anonymous
  • anonymous
88? :/
perl
  • perl
yes i agree with your answers 1. D , 3. C
perl
  • perl
since it is moving away from the normal in medium 2
anonymous
  • anonymous
yay! thank you very much @perl :)
perl
  • perl
So to summarize. When light moves from a material in which its speed is higher to a material in which its speed is lower, the ray is bent toward the normal When light moves from a material in which its speed is lower to a material in which its speed is higher, the ray is bent away from the normal The slower the light moves through a medium, the higher the index of refraction. glass has n = 1.66 diamond has 2.419
anonymous
  • anonymous
yes:) *sorry, got booted off haha :P

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