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# Astronom

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24 Nov 2009, 08:48
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34% (01:52) correct 66% (00:56) wrong based on 681 sessions

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In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.

(A) to which light from a distant galaxy has been shifted
(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted
(D) of light from a distant galaxy shifting
(E) of the shift of light from a distant galaxy
[Reveal] Spoiler: OA
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24 Nov 2009, 09:17
B.

In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted
toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the
Earth.
(A) to which light from a distant galaxy has been shifted

"has been shifted" implies that something is causing it to be shifted which doesn't make sense.

(B) to which light from a distant galaxy has shifted
(C) that light from a distant galaxy has been shifted

"extent that" is incorrect

(D) of light from a distant galaxy shifting

"the extent of" is incorrect

(E) of the shift of light from a distant galaxy

"the extent of" is incorrect

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24 Nov 2009, 09:46
Well, even I'll agree .. Its B and for exactly the same reasons specified above..
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24 Nov 2009, 13:14
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Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely
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24 Nov 2009, 17:14
strait A
In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.

we need passive voice
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24 Nov 2009, 17:24
Why do we need passive voice? On the GMAT, and in general writing, passive voice is bad.

zura wrote:
strait A
In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.

we need passive voice

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24 Nov 2009, 17:41
sasen wrote:
Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely

In astronomy the term "red shift" denotes the extent to which light [strike]from a distant galaxy[/strike] has shifted toward the red[strike], or long-wave,[/strike] end of the light spectrum [strike]by the rapid motion of the galaxy away from the Earth.[/strike]

In astronomy the term "red shift" denotes the extent to which light has shifted towards the red end of the light spectrum.

Sentence is defining term "Red Shift", it talking about the range/ coverage of light

Does it make sense?

I pick 'B'

Last edited by swatirpr on 24 Nov 2009, 17:58, edited 1 time in total.
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24 Nov 2009, 17:49
So which answer do you agree with? It looks like you're going with the non-passive answer.

swatirpr wrote:
sasen wrote:
Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely

In astronomy the term "red shift" denotes the extent to which light [strike]from a distant galaxy[/strike] has shifted toward the red[strike], or long-wave,[/strike] end of the light spectrum [strike]by the rapid motion of the galaxy away from the Earth.[/strike]

In astronomy the term "red shift" denotes the extent to which light has shifted towards the red end of the light spectrum.

Sentence is defining term "Red Shift", it talking about the range/ coverage of light

Does it make sense?

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24 Nov 2009, 21:32
sasen wrote:
Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely

The OA is A
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24 Nov 2009, 22:09
I disagree with the OA. Saying that "light has been shifted" implies that another force is acting upon it to cause the light to shift. If the only difference is between "has been shifted" and "has shifted" - i think we do not have enough information to adequately determine the meaning of th sentence to know which one is truly correct.

A - Implies that another force has acted upon it to cause the shift.

B - Simply says that the light has shifted, regardless of the cause. This sentence is simpler than A and to me seems better to keep it simple.

sasen wrote:
Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely

The OA is A

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24 Nov 2009, 23:34
jallenmorris wrote:
I disagree with the OA. Saying that "light has been shifted" implies that another force is acting upon it to cause the light to shift. If the only difference is between "has been shifted" and "has shifted" - i think we do not have enough information to adequately determine the meaning of th sentence to know which one is truly correct.

A - Implies that another force has acted upon it to cause the shift.

B - Simply says that the light has shifted, regardless of the cause. This sentence is simpler than A and to me seems better to keep it simple.

sasen wrote:
Confusion lies between A and B

A:LIGHT FROM A DISTANT GALAXY "HAS BEEN" SHIFTED BY XXXXX

TELLS US CLEARLY THAT LIGHT FROM THE GAL WAS MADE TO SHIFT BY THE XXXX

B: LIGHT FROM GAL HAS SHIFTED BY XXXXX

AMBIGUOUSLY DENOTES THAT LIGHT HAS SHIFTED ITSELF BY XXXXX.

A is correct since it conveys the intended meaning precisely

The OA is A

Light….. has been shifted….by the rapid motion of the galaxy.

It is clear that "rapid motion of the galaxy" has acted upon "light" to cause the shift.

Hence IMO the answer is A.
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25 Nov 2009, 06:13
My ans option B.

Usage of Has been is wrong as the light is not continously shifting.
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25 Nov 2009, 10:17
Was a bit confused and going for B.

But now after reading the full sentence again and again ....sure shot A........

Correct - Light….. has been shifted….by the rapid motion of the galaxy.
Not - Light….. has shifted….by the rapid motion of the galaxy.
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26 Nov 2009, 08:26
1
KUDOS
jallenmorris wrote:
Why do we need passive voice? On the GMAT, and in general writing, passive voice is bad.

zura wrote:
strait A
In astronomy the term "red shift" denotes the extent to which light from a distant galaxy has been shifted toward the red, or long-wave, end of the light spectrum by the rapid motion of the galaxy away from the Earth.

we need passive voice

you must avoid passive voice in gmat but still its not 100 % wrong !
as the case with "being"... gmat considers it redundant but still u can face some correct sentences with it...

in A BY in not underline portion of the sentence hints for passive !
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26 Nov 2009, 08:45
zura wrote:
in A by in not underline portion of the sentence hints for passive !

That's a great point. The sentence would not make sense unless it was passive. That doesn't mean that the sentence is good writing and one a composition professor would approve. I don't like passive sentences, but I think that stems from all the writing courses I've had to take and papers edited and corrected, etc.

What is the source of this question?
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09 Nov 2010, 07:05
not sure, but i picked E.

they say it is from OG 10th.
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09 Nov 2010, 07:19
First i picked B, thinking its simpler. But after reading the posts above, A makes more sense.
GMAT doesn't say passive is WRONG. In this case, passive form keeps the meaning clearer.

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09 Nov 2010, 07:24
1
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It is amazing how time away from a question allows a person to view it differently.

The answer is A. In my first post I say something about how "has been shifted" implies that something is causing it to shift "which doesn't make sense". If I had read the question closely, I would have seen that the question includes "by the rapid..." That clearly tells us what is causing the action. A is correct because the sentence includes the necessary information to show what is causing the action.
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09 Nov 2010, 08:10
jallenmorris has explained the answers well. I'd go with A as well.
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09 Nov 2010, 10:33
I think the answer is clearly A. An effect and the cause.
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Re: Astronom   [#permalink] 09 Nov 2010, 10:33

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