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Although in classical mechanics a physicist can definetely predict both the position and the velocity of an object, in ordinary quantum mechanics certainty in predicting one of those values comes only at the expense of uncertainity about the other.
A....
B. certainity in predicting one value comes only at the expense of uncertainity about another
C. predicting one of those values definetely is only and the expense of the other's uncertainity
D. Only at the expense of uncertainity about another value can you predict one of those values with certainty
E. If you definetely predict one of those values it is only at the expense of your uncertainity about the other.
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This question has a lot of typos.
C makes a little sense
But definetely is misplaced here. definetely is an adverb which can modify either a adjective or another adverb. What is it modifying here.
This correct sentence should read
predicting one of those values definetely is only at the expense of the other's uncertainity.
Even this sentence has 2 meaning... Try giving a pause before definetly and the meaning changes.
and then reread by giving a pause after definetly... meaning is different.
This sentence is like the following sentences. All have different meanings.
I only like you - Means I only like but dont love you
I like you only - under certain conditions..
I like only you - I like you and only you but no other
This is not a GMAT quality question either. You will hardly see a sentence in OG/GMAT where certian words are replaced in choices.
certainly is replaced by definetly....
But anyway..
Here D and E are mixed with physicst and you and your and one, so they are out.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.