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PS section

Discussion in 'MCAT: Medical College Admissions Test' started by akalin24, Apr 18, 2004.

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  1. akalin24

    akalin24 Member
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    Did anyone get 10cm for a focal length question on the PS section???
     
    #1 akalin24, Apr 18, 2004
  2. kiahs

    kiahs Senior Member
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    i though it was five 1/f = 2/r so shouldn't r= f/2? I contemplated this for like three minutes
     
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    #2 kiahs, Apr 18, 2004
  3. ASDIC

    ASDIC The 9th Flotilla
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    i used focal length = 0.5 x radius of curvature....i think i got 10
     
    #3 ASDIC, Apr 18, 2004
  4. akalin24

    akalin24 Member
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    I used the lens makers equation 1/f=1/o+1/i

    I think I blew that one!
     
    #4 akalin24, Apr 18, 2004
  5. UCLAstudent

    UCLAstudent I'm a luck dragon!
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    I got 5 cm.

    1/f = 2/R
    f = R/2 = 10/2 = 5 cm
     
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    #5 UCLAstudent, Apr 18, 2004
  6. mrsmotivation

    mrsmotivation Member
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    5 cm f=R/2
     
    #6 mrsmotivation, Apr 18, 2004
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