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# Whorfian tubules have an inside diameter equal to their

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Whorfian tubules have an inside diameter equal to their [#permalink]

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21 Oct 2010, 21:14
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Whorfian tubules have an inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small. A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.

It would be certain that the physicist had isolated a Whorfian tubule if it were concluded by the physicist that

the physicist had been looking specifically for Whorfian tubules
Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length
the density of what he had isolated was exactly half that of water
Whorfian tubules are only found under the conditions that the physicist had duplicated
Whorfian tubules were the only entities half the density of water with an immeasurably small mass
[Reveal] Spoiler: OA

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Whorfian tubules have an inside diameter equal to their [#permalink]

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10 Aug 2015, 10:27
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Whorfian tubules have an inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small. A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.

It would be certain that the physicist had isolated a Whorfian tubule if it were concluded by the physicist that

A. The physicist had been looking specifically for Whorfian tubules - Not relevant. He might be looking only for Whorfian tubules but might find something else as well.

B. Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length
- No other entities have 'inside diameter equal to their length' and 'insufficient mass' other than Whorfian tubules. So if I can say that I found an entity that has 'inside diameter equal to their length' and 'insufficient mass', I am sure to have found Whorfian tubules - irrespective of its density. - So the entity that the physicist found is a Whorfian tubule.

C. The density of what he had isolated was exactly half that of water - But it is not mentioned that Whorfian tubules are the only entities which have inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small.

D. Whorfian tubules are only found under the conditions that the physicist had duplicated - This does not remove the possibility of the existence of other entities under the condition the physicist had duplicated

E. Whorfian tubules were the only entities half the density of water with an immeasurably small mass - "A physicist isolated an entity less dense than water. The density of the entity that the physicist isolated is just less than water. it could be 3/4th, 1/4th or even 1/2. So it is not conclusive.

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21 Oct 2010, 21:53
B

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23 Oct 2010, 08:50
D

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23 Oct 2010, 09:53
IMO is C.
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23 Oct 2010, 10:24
Chose C....but B is definitely better than C.....

This question made me realize the importance of selecting the best answer rather than than "finding" the answer amongst the choices...

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03 Nov 2010, 07:24
Whorfian tubules have an inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small. A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.

It would be certain that the physicist had isolated a Whorfian tubule if it were concluded by the physicist that

the physicist had been looking specifically for Whorfian tubules - irrelevant
Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length - the reason for him not to consider the WT.
the density of what he had isolated was exactly half that of water - this is talking about only one component of the WT (B overpowers C)
Whorfian tubules are only found under the conditions that the physicist had duplicated - out of scope
Whorfian tubules were the only entities half the density of water with an immeasurably small mass - This is a lot closer to B for me.

Can anyone explain exactly why "E" is wrong.

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03 Nov 2010, 07:45
IMO it's C
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03 Nov 2010, 08:14
Whorfian tubules have an inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small. A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.

It would be certain that the physicist had isolated a Whorfian tubule if it were concluded by the physicist that

the physicist had been looking specifically for Whorfian tubules - irrelevant
Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length - the reason for him not to consider the WT.
the density of what he had isolated was exactly half that of water - this is talking about only one component of the WT (B overpowers C)
Whorfian tubules are only found under the conditions that the physicist had duplicated - out of scope
Whorfian tubules were the only entities half the density of water with an immeasurably small mass - This is a lot closer to B for me.

Can anyone explain exactly why "E" is wrong.

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03 Nov 2010, 08:54
I'm confused if question is about finding an assumption or about finding sub-conclusion?
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03 Nov 2010, 14:29
A: Even if he had been looking only for Whorfian tubules he could have found something else with the same properties, hence wrong
B:Correct. If something else had similar properties this would fall apart (try negation test)
C: Exactly half of water - Not necessary for a conclusion
D: Could be true, but there could be other things also under same conditions, hence not a conclusion
E: Omits inside diameter equal to length hence wrong.

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03 Nov 2010, 17:58
In choice E, it is mentioned "half the density"

But in question "A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.", this point is not mentioned... thats y choose B over E

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Re: Whorfian tubules have an inside diameter equal to their [#permalink]

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02 Feb 2012, 01:23
Whorfian tubules have an inside diameter equal to their length, a density half that of water, and a mass that is immeasurably small. A physicist isolated an entity less dense than water, with insufficient mass to measure, and a length exactly equal to the diameter of its inside.
WT : D(wt) = 0.5*D(water), L=D, very small length
Physicist found: st that has D(st) < D(water), L=D, very small length

It would be certain that the physicist had isolated a Whorfian tubule if it were concluded by the physicist that

the physicist had been looking specifically for Whorfian tubules Irrelevant
Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length true
the density of what he had isolated was exactly half that of water We cannot conclude that it is WT
Whorfian tubules are only found under the conditions that the physicist had duplicated Was there any duplication? No
Whorfian tubules were the only entities half the density of water with an immeasurably small mass not true

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Re: Whorfian tubules have an inside diameter equal to their [#permalink]

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10 Aug 2015, 01:38
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Re: Whorfian tubules have an inside diameter equal to their [#permalink]

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10 Aug 2015, 04:59
I have some reservations w.r.t the correct answer mentioned here.

It is clearly mentioned in the last statement that the length of the entity that he found is same as that of the WT and option E covers the aspects of mass and diameter thereby completing the scope of comparison.

So according to me option E is the correct answer.

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Whorfian tubules have an inside diameter equal to their [#permalink]

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19 Sep 2016, 22:34

the physicist had been looking specifically for Whorfian tubules -
Just because the physicist was searching only for WT, does not mean he could not find similar substance

Whorfian tubules are the only entities of immeasurably small mass with an inside diameter equal to their length
Narrows down the property of diameter = length to only WTs

the density of what he had isolated was exactly half that of water
contradicts the finding in the premise. The premise states density less than half of water. But, this option presents a different equation

Whorfian tubules are only found under the conditions that the physicist had duplicated
Moving the word "only" to the beginning of the statement, thereby restricting the ocurrence on only WTs

Whorfian tubules were the only entities half the density of water with an immeasurably small mass
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Whorfian tubules have an inside diameter equal to their   [#permalink] 19 Sep 2016, 22:34
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