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Question 1
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
93% (02:17) correct
7%
(01:47) wrong
based on 86
sessions
History
Date
Time
Result
Not Attempted Yet
Question 2
D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
50% (01:19) correct 50%
(01:30) wrong
based on 94
sessions
History
Date
Time
Result
Not Attempted Yet
Question 3
A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
41% (00:55) correct 59%
(00:57) wrong
based on 90
sessions
History
Date
Time
Result
Not Attempted Yet
In the realm of quantum mechanics, the behavior of particles at the subatomic scale defies the conventional laws that govern our macroscopic reality. One of the most intriguing phenomena in this microscopic domain is quantum entanglement, a physical property wherein pairs or groups of particles interact in such a way that the quantum state of each particle cannot be described independently of the state of the others, even when the particles are separated by a large distance. This interconnection means that the state of one entangled particle instantly influences the state of the other, no matter how far apart they are.
Einstein famously referred to this phenomenon as "spooky action at a distance" and was skeptical of its true nature, positing that there must be hidden variables at play that were not accounted for by quantum theory. However, numerous experiments have since confirmed the reality of quantum entanglement, solidifying its role as a cornerstone of quantum mechanics.
Quantum entanglement has significant implications for the future of technology, particularly in the fields of quantum computing and quantum cryptography. In quantum computing, entangled particles can be used to perform operations on multiple qubits simultaneously, potentially leading to an exponential increase in computing power. Quantum cryptography, on the other hand, exploits the principles of entanglement to create secure communication channels that are theoretically immune to eavesdropping, given that any attempt to measure the entangled particles would alter their state and thus be detectable.
The applications of quantum entanglement may seem like the stuff of science fiction, but they are grounded in the tangible advances of experimental physics. As researchers continue to unravel the complexities of the quantum world, the potential for revolutionary technologies becomes ever more palpable.
Einstein famously referred to this phenomenon as "spooky action at a distance" and was skeptical of its true nature, positing that there must be hidden variables at play that were not accounted for by quantum theory. However, numerous experiments have since confirmed the reality of quantum entanglement, solidifying its role as a cornerstone of quantum mechanics.
Quantum entanglement has significant implications for the future of technology, particularly in the fields of quantum computing and quantum cryptography. In quantum computing, entangled particles can be used to perform operations on multiple qubits simultaneously, potentially leading to an exponential increase in computing power. Quantum cryptography, on the other hand, exploits the principles of entanglement to create secure communication channels that are theoretically immune to eavesdropping, given that any attempt to measure the entangled particles would alter their state and thus be detectable.
The applications of quantum entanglement may seem like the stuff of science fiction, but they are grounded in the tangible advances of experimental physics. As researchers continue to unravel the complexities of the quantum world, the potential for revolutionary technologies becomes ever more palpable.
1. What is the main purpose of the passage?
A) To compare quantum entanglement with other quantum mechanics phenomena
B) To challenge the skepticism of quantum entanglement expressed by Einstein
C) To outline the concept of quantum entanglement and its implications for future technology
D) To provide a detailed account of the experiments confirming quantum entanglement
E) To argue against the use of quantum entanglement in computing and cryptography
A) To compare quantum entanglement with other quantum mechanics phenomena
B) To challenge the skepticism of quantum entanglement expressed by Einstein
C) To outline the concept of quantum entanglement and its implications for future technology
D) To provide a detailed account of the experiments confirming quantum entanglement
E) To argue against the use of quantum entanglement in computing and cryptography
2. According to the passage, why is quantum entanglement considered a cornerstone of quantum mechanics?
A) It allows for secure communications through quantum cryptography.
B) It defies the conventional laws that govern macroscopic reality.
C) It has the potential to exponentially increase computing power.
D) It has been confirmed through numerous experiments despite initial skepticism.
E) It provides evidence for the existence of hidden variables in quantum theory.
A) It allows for secure communications through quantum cryptography.
B) It defies the conventional laws that govern macroscopic reality.
C) It has the potential to exponentially increase computing power.
D) It has been confirmed through numerous experiments despite initial skepticism.
E) It provides evidence for the existence of hidden variables in quantum theory.
3. The author mentions "spooky action at a distance" primarily to:
A) Illustrate the mysterious nature of quantum entanglement.
B) Show the historical skepticism towards quantum mechanics.
C) Emphasize the instantaneous nature of particle interaction in entanglement.
D) Attribute the term to Einstein's contribution to the field.
E) Argue for the existence of hidden variables in quantum entanglement.
A) Illustrate the mysterious nature of quantum entanglement.
B) Show the historical skepticism towards quantum mechanics.
C) Emphasize the instantaneous nature of particle interaction in entanglement.
D) Attribute the term to Einstein's contribution to the field.
E) Argue for the existence of hidden variables in quantum entanglement.
21 Feb 2024, 02:42
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The passage provides a concise overview of quantum entanglement, a phenomenon in quantum mechanics where particles become interlinked and their states cannot be described independently of each other. This concept is counterintuitive to classical mechanics and has significant implications for advancing technology, particularly in quantum computing and cryptography. The author discusses the skepticism originally held by Einstein and others, the experimental confirmation of entanglement, and the potential applications of this phenomenon.
1.
A) To compare quantum entanglement with other quantum mechanics phenomena - This is incorrect because the passage does not offer a comparison with other phenomena; rather, it focuses on quantum entanglement specifically.
B) To challenge the skepticism of quantum entanglement expressed by Einstein - This is incorrect because the purpose of the passage is not to challenge skepticism but to describe the concept and its applications.
C) To outline the concept of quantum entanglement and its implications for future technology - This is the correct answer because the passage explains what quantum entanglement is and discusses how it may affect future technological developments.
D) To provide a detailed account of the experiments confirming quantum entanglement - This is incorrect as the passage does not give a detailed account of experiments, but rather states that experiments have confirmed the phenomenon.
E) To argue against the use of quantum entanglement in computing and cryptography - This is incorrect as the passage actually highlights the potential uses of quantum entanglement in these fields, not arguments against it.
2.According to the passage, why is quantum entanglement considered a cornerstone of quantum mechanics?
A) It allows for secure communications through quantum cryptography - Incorrect, this is one of the applications of quantum entanglement, not the reason it is considered foundational.
B) It defies the conventional laws that govern macroscopic reality - Incorrect, while true, this characteristic of quantum entanglement does not by itself explain why it is foundational to quantum mechanics.
C) It has the potential to exponentially increase computing power - Incorrect, although this is a significant application, it does not define why entanglement is a cornerstone of the theory itself.
D) It has been confirmed through numerous experiments despite initial skepticism - Correct, the passage emphasizes that quantum entanglement is foundational because it has been experimentally confirmed, reinforcing the validity of quantum mechanics.
E) It provides evidence for the existence of hidden variables in quantum theory - Incorrect, the passage acknowledges Einstein's skepticism about hidden variables but does not suggest that entanglement provides evidence for them.
3.The author mentions "spooky action at a distance" primarily to:
A) Illustrate the mysterious nature of quantum entanglement - Correct, the phrase "spooky action at a distance" is used to describe the seemingly inexplicable nature of quantum entanglement, where particles affect each other instantaneously over any distance.
B) Show the historical skepticism towards quantum mechanics - Incorrect, while the phrase does reflect historical skepticism, the primary purpose of including it is to highlight the strange and counterintuitive nature of entanglement.
C) Emphasize the instantaneous nature of particle interaction in entanglement - Incorrect, while the instantaneous interaction is a feature of entanglement, the phrase is used more to describe the mysteriousness rather than just the speed of interaction.
D) Attribute the term to Einstein's contribution to the field - Incorrect, the term indeed originates from Einstein, but the passage uses it to illustrate the enigmatic aspect of entanglement, not merely to credit Einstein.
E) Argue for the existence of hidden variables in quantum entanglement - Incorrect, the term was originally used in the context of hidden variables, but the passage uses it to convey the peculiar aspects of entanglement rather than to argue for hidden variables.
Answer: A) Illustrate the mysterious nature of quantum entanglement.
1.
A) To compare quantum entanglement with other quantum mechanics phenomena - This is incorrect because the passage does not offer a comparison with other phenomena; rather, it focuses on quantum entanglement specifically.
B) To challenge the skepticism of quantum entanglement expressed by Einstein - This is incorrect because the purpose of the passage is not to challenge skepticism but to describe the concept and its applications.
C) To outline the concept of quantum entanglement and its implications for future technology - This is the correct answer because the passage explains what quantum entanglement is and discusses how it may affect future technological developments.
D) To provide a detailed account of the experiments confirming quantum entanglement - This is incorrect as the passage does not give a detailed account of experiments, but rather states that experiments have confirmed the phenomenon.
E) To argue against the use of quantum entanglement in computing and cryptography - This is incorrect as the passage actually highlights the potential uses of quantum entanglement in these fields, not arguments against it.
2.According to the passage, why is quantum entanglement considered a cornerstone of quantum mechanics?
A) It allows for secure communications through quantum cryptography - Incorrect, this is one of the applications of quantum entanglement, not the reason it is considered foundational.
B) It defies the conventional laws that govern macroscopic reality - Incorrect, while true, this characteristic of quantum entanglement does not by itself explain why it is foundational to quantum mechanics.
C) It has the potential to exponentially increase computing power - Incorrect, although this is a significant application, it does not define why entanglement is a cornerstone of the theory itself.
D) It has been confirmed through numerous experiments despite initial skepticism - Correct, the passage emphasizes that quantum entanglement is foundational because it has been experimentally confirmed, reinforcing the validity of quantum mechanics.
E) It provides evidence for the existence of hidden variables in quantum theory - Incorrect, the passage acknowledges Einstein's skepticism about hidden variables but does not suggest that entanglement provides evidence for them.
3.The author mentions "spooky action at a distance" primarily to:
A) Illustrate the mysterious nature of quantum entanglement - Correct, the phrase "spooky action at a distance" is used to describe the seemingly inexplicable nature of quantum entanglement, where particles affect each other instantaneously over any distance.
B) Show the historical skepticism towards quantum mechanics - Incorrect, while the phrase does reflect historical skepticism, the primary purpose of including it is to highlight the strange and counterintuitive nature of entanglement.
C) Emphasize the instantaneous nature of particle interaction in entanglement - Incorrect, while the instantaneous interaction is a feature of entanglement, the phrase is used more to describe the mysteriousness rather than just the speed of interaction.
D) Attribute the term to Einstein's contribution to the field - Incorrect, the term indeed originates from Einstein, but the passage uses it to illustrate the enigmatic aspect of entanglement, not merely to credit Einstein.
E) Argue for the existence of hidden variables in quantum entanglement - Incorrect, the term was originally used in the context of hidden variables, but the passage uses it to convey the peculiar aspects of entanglement rather than to argue for hidden variables.
Answer: A) Illustrate the mysterious nature of quantum entanglement.
28 Sep 2025, 08:34
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Hello from the GMAT Club VerbalBot!
Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
