The physical structure of the human eye enables it to sense

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The physical structure of the human eye enables it to sense [#permalink]

21 Oct 2010, 06:04

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55% (01:11) wrong

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The physical structure of the human eye enables it to sense light of wavelengths up to 0.0005 millimeters;
infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long to be registered
by the eye.
(A) infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long to be
registered by the eye
(B) however, the wavelength of infrared radiation--0.1 millimeters--is top long to be registered by the eye
making it invisible
(C) infrared radiation, however, is invisible because its wavelength--0.1 millimeters--is too long for the eye
to register it
(D) however, because the wavelength of infrared radiation is 0.1 millimeters, it is too long for the eye to
register and thus invisible
(E) however, infrared radiation has a wavelength of 0.1 millimeters that is too long for the eye to register,
thus making it invisible

[Reveal] Spoiler: OA

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Re: idiomatic [#permalink]

21 Oct 2010, 06:57

First, let us get rid of B and D because the referent for the- it - is -wavelength- and not - radiation -(D also uses --and thus invisible – an incomplete phrase, which is a serious foul of parallellism) and E for using an ambiguous – it- in - thus making it invisible –

Between A and C: C has 2 problems. 1 -For the eye to register - is not as appropriate as - to be registered by the eye-. 2. The - it – in -to register it – is redundant because - it - in effect repeats the wavelength- when rephrased it looks as - its wavelength--0.1 millimeters--is too long for the eye to register the wavelength.
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Manager

Status: GMAT Preperation

Joined: 04 Feb 2010

Posts: 105

Schools: HBS, Tuck

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Re: idiomatic [#permalink]

21 Oct 2010, 07:02

i couldnt get a reason to eliminate E..

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Re: idiomatic [#permalink]

21 Oct 2010, 07:51

I have said in my first para that E uses an ambiguous – it- in - thus making it - invisible – What is the referent of –it-? Making invisible what? Is it eye, or wavelength, or the radiation? An apt pronoun will not dither with so many possibilities. So eliminate E
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Re: idiomatic [#permalink] 21 Oct 2010, 07:51

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The physical structure of the human eye enables it to sense

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