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13 Dec 2019, 08:18
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The government of Storinia has proposed to conduct several particle physics experiments in Antarctica, as described below.
The ultra-high-energy cosmic ray detector (UHECR-D) will track a variety of subatomic particles traveling from outer space with exceptionally high kinetic energy by recording secondary showers of particles created by these UHECRs as they collide with the upper atmosphere.
The polyethylene naphthalate neutrino observatory (PEN-NO) will search for neutrinos, extremely light and fast subatomic particles that interact only weakly with normal matter. To prevent spurious results from cosmic rays, PEN-NO will be buried deep below the ice.
The magnetic monopole detector (MaMoD) will attempt to verify the existence of magnetic monopoles, hypothetical subatomic particles postulated by some physical theories to be left over from the creation of the universe.
The ultra-high-energy cosmic ray detector (UHECR-D) will track a variety of subatomic particles traveling from outer space with exceptionally high kinetic energy by recording secondary showers of particles created by these UHECRs as they collide with the upper atmosphere.
The polyethylene naphthalate neutrino observatory (PEN-NO) will search for neutrinos, extremely light and fast subatomic particles that interact only weakly with normal matter. To prevent spurious results from cosmic rays, PEN-NO will be buried deep below the ice.
The magnetic monopole detector (MaMoD) will attempt to verify the existence of magnetic monopoles, hypothetical subatomic particles postulated by some physical theories to be left over from the creation of the universe.
With a construction budget of $30 million, the Storinian government will be able to search for a proof of an explanation of charge quantization and to help resolve a controversy by measuring the speed of neutrinos produced in nuclear reactors.: No
Inits Antarctic experiments, the Storinian government will attempt to ascertain the mass and speed of cosmic rays and to confirm the composition of magnetic monopoles.: No
If the PEN-NO experiment is kept in operation on the surface of the ice in Antarctica, its findings will be considered more valid than those produced by the experiment as currently envisioned.: No
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:
60% (03:38) correct
40%
(03:31)
wrong
based on 1690
sessions
History
Date
Time
Result
Not Attempted Yet
1. For each of the following statements, select Yes if the statement is supported by the evidence provided. Otherwise, select No.
| Yes | No | |
| With a construction budget of $30 million, the Storinian government will be able to search for a proof of an explanation of charge quantization and to help resolve a controversy by measuring the speed of neutrinos produced in nuclear reactors. | ||
| Inits Antarctic experiments, the Storinian government will attempt to ascertain the mass and speed of cosmic rays and to confirm the composition of magnetic monopoles. | ||
| If the PEN-NO experiment is kept in operation on the surface of the ice in Antarctica, its findings will be considered more valid than those produced by the experiment as currently envisioned. |
ShowHide Answer
Official Answer
With a construction budget of $30 million, the Storinian government will be able to search for a proof of an explanation of charge quantization and to help resolve a controversy by measuring the speed of neutrinos produced in nuclear reactors.: No
Inits Antarctic experiments, the Storinian government will attempt to ascertain the mass and speed of cosmic rays and to confirm the composition of magnetic monopoles.: No
If the PEN-NO experiment is kept in operation on the surface of the ice in Antarctica, its findings will be considered more valid than those produced by the experiment as currently envisioned.: No
Neutrinos produced in nuclear reactors.
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:
85% (01:11) correct
15%
(01:29)
wrong
based on 1603
sessions
History
Date
Time
Result
Not Attempted Yet
2. According to the information provided, the proposed measurement of which of the following kinds of particles is intended to improve the quality of estimation of the mass of these particles?
| Ultra-high energy cosmic rays. | |
| Particles created by UHECRs above the earth. | |
| Neutrinos produced in nuclear reactors. | |
| Neutrinos that originate in the sun. | |
| Magnetic monopoles. |
ShowHide Answer
Official Answer
Neutrinos produced in nuclear reactors.
Ultra-high-energy cosmic ray.: Cannot Conclude
Particles created by UHECRs above the earth.: Cannot Conclude
Magnetic monopole.: Cannot Conclude
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
85%
(hard)
Question Stats:
43% (01:43) correct
57%
(01:36)
wrong
based on 1773
sessions
History
Date
Time
Result
Not Attempted Yet
3. For each of the following particle types, select Can Conclude if you can conclude from the information provided that the particles in question have a minimal effect on ordinary matter. Otherwise, select Cannot Conclude.
| Can Conclude | Cannot Conclude | |
| Ultra-high-energy cosmic ray. | ||
| Particles created by UHECRs above the earth. | ||
| Magnetic monopole. |
ShowHide Answer
Official Answer
Ultra-high-energy cosmic ray.: Cannot Conclude
Particles created by UHECRs above the earth.: Cannot Conclude
Magnetic monopole.: Cannot Conclude
13 Dec 2019, 08:29
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1)A) No, since total construction budget of 42$ is provided in the information, but there is no mention about the individual cost of each of these projects.
B)No,since mass calculation is for neutrinos and not for cosmic rays
C)No,Since it's clearly written in the proposal of PEN-NO that it should be buried deep in ice, in order to avoid spurious results from cosmic rays
2) Neutrinos produced in nuclear reactors is intended for mass calculation.
3) Cannot be concluded, since there is no info in the above paragraphs about the effect to the ordinary matter with these three particles
Posted from my mobile device
B)No,since mass calculation is for neutrinos and not for cosmic rays
C)No,Since it's clearly written in the proposal of PEN-NO that it should be buried deep in ice, in order to avoid spurious results from cosmic rays
2) Neutrinos produced in nuclear reactors is intended for mass calculation.
3) Cannot be concluded, since there is no info in the above paragraphs about the effect to the ordinary matter with these three particles
Posted from my mobile device
19 Nov 2021, 04:40
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Dear Sajjad1994
could you check the validity of Q3 answers.
3. For each of the following particle types, select Can Conclude if you can conclude from the information provided that the particles in question have a minimal effect on ordinary matter. Otherwise, select Cannot Conclude.
Option B: Neutrinos produced in particle accelerators
Tab "Proposal": The polyethylene naphthalate neutrino observatory (PEN-NO) will search for neutrinos, extremely light and fast subatomic particles that interact only weakly with normal matter.
We can infer that Normal matter = Ordinary Matter and that "only weakly interaction signifies the meager effect"
Tab "Purpose": PEN-NO will measure the mass and speed of neutrinos produced in particle accelerators
Taking into consideration both facts we can infer that "Neutrinos produced in particle accelerators" have minimal effect on ordinary matter.
could you check the validity of Q3 answers.
3. For each of the following particle types, select Can Conclude if you can conclude from the information provided that the particles in question have a minimal effect on ordinary matter. Otherwise, select Cannot Conclude.
Option B: Neutrinos produced in particle accelerators
Tab "Proposal": The polyethylene naphthalate neutrino observatory (PEN-NO) will search for neutrinos, extremely light and fast subatomic particles that interact only weakly with normal matter.
We can infer that Normal matter = Ordinary Matter and that "only weakly interaction signifies the meager effect"
Tab "Purpose": PEN-NO will measure the mass and speed of neutrinos produced in particle accelerators
Taking into consideration both facts we can infer that "Neutrinos produced in particle accelerators" have minimal effect on ordinary matter.
