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anonymous

  • one year ago

A ray of light goes from air into the substances shown in the table at an angle of 30 degrees. Which substance will bend the light the most? water , flint glass, diamond, quartz ?

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  1. anonymous
    • one year ago
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    |dw:1434867528128:dw|

  2. rvc
    • one year ago
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    denser to rarer medium the ray with be away from the normal

  3. Michele_Laino
    • one year ago
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    here we have to apply the law of Snell: \[\large {n_1}\sin {\theta _1} = {n_2}\sin {\theta _2}\]

  4. anonymous
    • one year ago
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    ok!

  5. rvc
    • one year ago
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    yep

  6. Michele_Laino
    • one year ago
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    |dw:1434867544163:dw|

  7. Michele_Laino
    • one year ago
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    now we can suppose that: n_1=1 and \theta_1=30

  8. anonymous
    • one year ago
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    ok! what happens next?

  9. Michele_Laino
    • one year ago
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    so we have: \[\large \sin {\theta _2} = \frac{{{n_1}\sin \theta }}{{{n_2}}} = \frac{{0.5}}{{{n_2}}}\]

  10. rvc
    • one year ago
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    |dw:1434867597917:dw|

  11. anonymous
    • one year ago
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    ok! and what is n2? :/

  12. rvc
    • one year ago
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    away from the main question lol

  13. Michele_Laino
    • one year ago
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    next: for which values of n_2, we have the smallest value of \sin(\theta_2)?

  14. anonymous
    • one year ago
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    what do you mean @rvc ? and ok! @Michele_Laino would that mean that diamond is the one that will bend teh light the most?

  15. Michele_Laino
    • one year ago
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    I think that we have this situation: |dw:1434867781827:dw|

  16. rvc
    • one year ago
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    i m away from the question of i heartfood

  17. rvc
    • one year ago
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    lol my ans is away

  18. anonymous
    • one year ago
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    i still do not understand what you are saying @rvc lol and ohh so it should be water is the solution? @Michele_Laino ?

  19. Michele_Laino
    • one year ago
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    that's right! @iheartfood it is the diamond

  20. anonymous
    • one year ago
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    ohh okie yay!! haha sorry, got a bit confused by the multiple responses going aroudn lol :P thanks @Michele_Laino :)

  21. Michele_Laino
    • one year ago
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    :)

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