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18 Jul 2022, 07:30
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Question 1
E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
56% (02:32) correct
44%
(02:20) wrong
based on 142
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:
35%
(medium)
Question Stats:
62% (01:05) correct 38%
(01:24) wrong
based on 124
sessions
History
Date
Time
Result
Not Attempted Yet
This passage is adapted from material published in 2001.
In 1998 scientists using the neutrino detector in Kamioka, Japan, were able to observe several thousand neutrinos—elusive, tiny subatomic particles moving at nearly the speed of light and passing through almost everything in their path. The Kamioka findings have potentially far-reaching ramifications. They strongly suggest that the neutrino has mass, albeit an infinitesimal amount. Even a tiny mass means that neutrinos would outweigh all the universe’s visible matter, because of their vast numbers. The findings also suggest that a given neutrino does not have one stable mass or one stable identity; instead, it oscillates from one identity or “flavor” (physicists’ term for describing how neutrinos interact with other particles) to another. Its oscillation may explain why, although the Sun is a large source of neutrinos, detectors capture far fewer solar neutrinos than the best theory of solar physics predicts: the neutrinos may be changing to flavors undetectable by detectors. Finally, while the standard particle-physics model—which describes all matter in terms of twelve fundamental particles and four fundamental forces—does not allow for neutrinos with mass, there are theories that do. Further experiments to confirm that neutrinos have mass could help physicists determine which, if any, of these theories is correct.
In 1998 scientists using the neutrino detector in Kamioka, Japan, were able to observe several thousand neutrinos—elusive, tiny subatomic particles moving at nearly the speed of light and passing through almost everything in their path. The Kamioka findings have potentially far-reaching ramifications. They strongly suggest that the neutrino has mass, albeit an infinitesimal amount. Even a tiny mass means that neutrinos would outweigh all the universe’s visible matter, because of their vast numbers. The findings also suggest that a given neutrino does not have one stable mass or one stable identity; instead, it oscillates from one identity or “flavor” (physicists’ term for describing how neutrinos interact with other particles) to another. Its oscillation may explain why, although the Sun is a large source of neutrinos, detectors capture far fewer solar neutrinos than the best theory of solar physics predicts: the neutrinos may be changing to flavors undetectable by detectors. Finally, while the standard particle-physics model—which describes all matter in terms of twelve fundamental particles and four fundamental forces—does not allow for neutrinos with mass, there are theories that do. Further experiments to confirm that neutrinos have mass could help physicists determine which, if any, of these theories is correct.
1. The primary purpose of the passage is to
A. evaluate the merits of a particular theory in light of new evidence
B. discuss scientists’ inability to account for certain unexpected discoveries
C. point out certain shortcomings in a long-standing theory
D. compare several alternative explanations for a particular phenomenon
E. consider some implications of certain scientific findings
A. evaluate the merits of a particular theory in light of new evidence
B. discuss scientists’ inability to account for certain unexpected discoveries
C. point out certain shortcomings in a long-standing theory
D. compare several alternative explanations for a particular phenomenon
E. consider some implications of certain scientific findings
2. According to the passage, one significant implication of the discovery that neutrinos have mass that such a discovery would
A. cast doubt on the solar origins of many of the neutrinos that reach Earth
B. help to establish the validity of the standard particle-physics model
C. indicate that most of the visible matter of the universe is composed of neutrinos
D. entail that the total weight of all the visible matter in the universe is less than that of all the neutrinos in the universe
E. mean that the speed with which neutrinos normally move can be slowed by certain types of matter
A. cast doubt on the solar origins of many of the neutrinos that reach Earth
B. help to establish the validity of the standard particle-physics model
C. indicate that most of the visible matter of the universe is composed of neutrinos
D. entail that the total weight of all the visible matter in the universe is less than that of all the neutrinos in the universe
E. mean that the speed with which neutrinos normally move can be slowed by certain types of matter
RC Butler 2022 - Practice Two RC Passages Everyday.
Passage # 286 Date: 18-Jul-2022
This question is a part of RC Butler 2022. Click here for Details
Passage # 286 Date: 18-Jul-2022
This question is a part of RC Butler 2022. Click here for Details
19 Aug 2022, 12:41
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In 1998 scientists using the neutrino detector in Kamioka, Japan, were able to observe several thousand neutrinos—elusive, tiny subatomic particles moving at nearly the speed of light and passing through almost everything in their path.
The scientists observed several neutrinos, which are particles that are as almost fast as light an can go through everything
The Kamioka findings have potentially far-reaching ramifications.
The discovery is quite remarkable and has several implications for future research.
They strongly suggest that the neutrino has mass, albeit an infinitesimal amount.
The first important implication is that they have a mass to assess
Even a tiny mass means that neutrinos would outweigh all the universe’s visible matter, because of their vast numbers.
Having a mass and considering their almost infinite numbers, the result is that they outweigh the other particles in the universe
The findings also suggest that a given neutrino does not have one stable mass or one stable identity; instead it oscillates from one identity or “flavor” (physicists’ term describing how neutrinos interact with other particles) to another.
Their mass varies. It is not fixed even though is infinite tiny.
This oscillation may explain why, although the Sun is a large source of neutrinos, detectors capture far fewer solar neutrinos than the best theory of solar physics predicts: the neutrinos may be changing to flavors undetectable by detectors.
An important consideration is that the variation in the neutrino's mass bears that they could be NOT detectable
Finally, while the standard particle-physics model—which describes all matter in terms of twelve fundamental particles and four fundamental forces—does not allow for neutrinos with mass, there are theories that do.
Neutrinos escapes the classic or standard physic theory
Further experiments to confirm that neutrinos have mass could help physicists determine which, if any, of these theories is correct.
we still do not know the entity of neutrino's mass and how to deal with it. we need further investigations.
The scientists observed several neutrinos, which are particles that are as almost fast as light an can go through everything
The Kamioka findings have potentially far-reaching ramifications.
The discovery is quite remarkable and has several implications for future research.
They strongly suggest that the neutrino has mass, albeit an infinitesimal amount.
The first important implication is that they have a mass to assess
Even a tiny mass means that neutrinos would outweigh all the universe’s visible matter, because of their vast numbers.
Having a mass and considering their almost infinite numbers, the result is that they outweigh the other particles in the universe
The findings also suggest that a given neutrino does not have one stable mass or one stable identity; instead it oscillates from one identity or “flavor” (physicists’ term describing how neutrinos interact with other particles) to another.
Their mass varies. It is not fixed even though is infinite tiny.
This oscillation may explain why, although the Sun is a large source of neutrinos, detectors capture far fewer solar neutrinos than the best theory of solar physics predicts: the neutrinos may be changing to flavors undetectable by detectors.
An important consideration is that the variation in the neutrino's mass bears that they could be NOT detectable
Finally, while the standard particle-physics model—which describes all matter in terms of twelve fundamental particles and four fundamental forces—does not allow for neutrinos with mass, there are theories that do.
Neutrinos escapes the classic or standard physic theory
Further experiments to confirm that neutrinos have mass could help physicists determine which, if any, of these theories is correct.
we still do not know the entity of neutrino's mass and how to deal with it. we need further investigations.
19 Aug 2022, 12:41
Kudos
Bookmarks
Question 1
In 1998 scientists using the neutrino detector in Kamioka, Japan, were able to observe several thousand neutrinos—elusive, tiny subatomic particles moving at nearly the speed of light and passing through almost everything in their path. The Kamioka find-ings have potentially far-reaching ramifications. They strongly suggest that the neutrino has mass, albeit an infinitesimal amount. Even a tiny mass means that neutrinos would outweigh all the universe’s visible matter, because of their vast numbers. The findings also suggest that a given neutrino does not have one stable mass or one stable identity; instead it oscillates from one identity or “flavor” (physicists’ term describing how neutrinos interact with other particles) to another. This oscillation may explain why, although the Sun is a large source of neutrinos, detectors capture far fewer solar neutrinos than the best theory of solar physics predicts: the neutrinos may be changing to flavors undetectable by detectors. Finally, while the standard particle-physics model—which describes all matter in terms of twelve fundamental particles and four fundamental forces—does not allow for neutrinos with mass, there are theories that do. Further experiments to confirm that neutrinos have mass could help physicists determine which, if any, of these theories is correct
The primary purpose of the passage is to
A) evaluate the merits of a particular theory in light of new evidence
B) discuss scientists’ inability to account for certain unexpected discoveries
C) point out certain shortcomings in a long-standing theory
D) compare several alternative explanations for a particular phenomenon
E) consider some implications of certain scientific findings
That's why A is wrong and E is right. Simply the passage main idea DOES NOT evaluate the merit but considers some implications and suggests that further investigations are necessary
Hope this helps
The primary purpose of the passage is to
A) evaluate the merits of a particular theory in light of new evidence
E) consider some implications of certain scientific findings
That's why A is wrong and E is right. Simply the passage main idea DOES NOT evaluate the merit but considers some implications and suggests that further investigations are necessary
Hope this helps
