Multiple Choice Question only. No Long answers.
Homework Answers
According to cosmological theory, the universe is closed if it is sufficiently dense and therefore possesses enough gravitational force to stop or reverse the expansion started by the Big Bang.
So the condition necessary for the universe to be closed is :
The density of the universe must be large. (Answer)
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Multiple Choice Question only. No Long answers.
What condition is necessary for the universe to be...
Multiple Choice Question only, no long answers. The expansion of the universe takes place only between...
Multiple Choice Question only, no long answers.
The expansion of the universe takes place only between objects separated by vacuum; as a result, our bodies do not expand, but the Earth-Moon system does. between all objects, even between the atoms in our bodies, although the expansion of a person is too small to be measured reliably. O only over distances the size of a galaxy or larger; consequently, the Milky Way Galaxy expands, but the solar system does not. O...
Weeks 5, 6: How is Olber's paradox solved? Does the Universe have a center or an edge? What is th...
Weeks 5, 6: How is Olber's paradox solved? Does the Universe have a center or an edge? What is the cosmological principle? The Universe expands: why, how, and how do we know? What is cosmological redshift? What is the Big Bang? How old/big/fast is the Universe? How do Hubble's constant, the critical density of the flat universe, and the density parameter help us understand those properties of the Universe? What is the cosmic light horizon and why is it the...
Good after noon, I would like to get a help for question and solution above,,,is anyone could explain what solution is saying mathematically,,,? Thank you!! 1 At one point in the class, when consideri...
Good
after noon, I would like to get a help for question and solution
above,,,is anyone could explain what solution is saying
mathematically,,,? Thank you!!
1 At one point in the class, when considering the possible cosmological models and their relation to density parameters, I stated "Density is Destiny." What does this pithy quote really mean in the cosmological sense? It is a concise way of saying that the ultimate fate of the universe is tied to its density. If...
Article name: Thermodynamic Q1- Answers Multiple Choice Questions (MCQs): 1. the temperature is constant, internal energy...
Article name: Thermodynamic
Q1- Answers Multiple Choice Questions (MCQs): 1. the temperature is constant, internal energy al changes with change in changes with change in changes with change in both and does not change with change in por 2. The equation du vet holds good for any process for a pas, even when the volume changes b) for other substances it is true only when the volume is constant c) both of the mentioned none of the mentioned 3.A mass...
Why are the Hubble Constant, the Cosmological Constant, and the density parameter so important to cosmology and to you? Consider expansion rate and age. What would be different about our universe if t...
Why are the Hubble Constant, the Cosmological Constant, and the density parameter so important to cosmology and to you? Consider expansion rate and age. What would be different about our universe if the Hubble Constant were doubled from its current value? How do these constants factor into the geometry of spacetime? How have these constants changed throughout the lifetime of the universe? Are they still changing? Cite some evidence to support your claims.
Why are the Hubble Constant, the Cosmological Constant, and the density parameter so important to cosmology and to you? Consider expansion rate and age. What would be different about our universe if t...
Why are the Hubble Constant, the Cosmological Constant, and the density parameter so important to cosmology and to you? Consider expansion rate and age. What would be different about our universe if the Hubble Constant were doubled from its current value? How do these constants factor into the geometry of spacetime? How have these constants changed throughout the lifetime of the universe? Are they still changing? Cite some evidence to support your claims. Please type answer, last persons handwriting was...
A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one ...
A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one is correct. (i) If you randomly answered each question, what is the name of the distribution for the number of possible marks you could achieve for the whole test? Explain your reasons and give the values for the parameters of that distribution.* (ii) If the pass mark for the test is 60% (i.e. 12 marks or more), what is the probability that you will...
A test contains 10 multiple-choice questions. Each question has 4 answers and only 1 answer is...
A test contains 10 multiple-choice questions. Each question has 4 answers and only 1 answer is correct. Suppose a student just randomly selects an answer for each question. What is the probability that the student will answer 2 or fewer questions correctly?
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. Assume that a...
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. Assume that a student who has done the homework and attended lectures has a 75% probability of answering any question correctly. A student must answer 43 or more questions correctly to obtain a grade What percentage of the students who have done their homework and attended lectures will obtain a grade A on this multiple-choice examination? A student who answers 35 to 39 questions correctly will receive...
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. Assume that a...
Consider a multiple-choice examination with 50 questions. Each question has four possible answers. Assume that a student who has done the homework and attended lectures has a 65% chance of answering any question correctly. (Round your answers to two decimal places.) (a) A student must answer 43 or more questions correctly to obtain a grade of A. What percentage of the students who have done their homework and attended lectures will obtain a grade of A on this multiple-choice examination?...
Multiple Choice Question only, no long answers.
The expansion of the universe takes place only between objects separated by vacuum; as a result, our bodies do not expand, but the Earth-Moon system does. between all objects, even between the atoms in our bodies, although the expansion of a person is too small to be measured reliably. O only over distances the size of a galaxy or larger; consequently, the Milky Way Galaxy expands, but the solar system does not. O...
Weeks 5, 6: How is Olber's paradox solved? Does the Universe have a center or an edge? What is the cosmological principle? The Universe expands: why, how, and how do we know? What is cosmological redshift? What is the Big Bang? How old/big/fast is the Universe? How do Hubble's constant, the critical density of the flat universe, and the density parameter help us understand those properties of the Universe? What is the cosmic light horizon and why is it the...
Good
after noon, I would like to get a help for question and solution
above,,,is anyone could explain what solution is saying
mathematically,,,? Thank you!!
1 At one point in the class, when considering the possible cosmological models and their relation to density parameters, I stated "Density is Destiny." What does this pithy quote really mean in the cosmological sense? It is a concise way of saying that the ultimate fate of the universe is tied to its density. If...
Article name: Thermodynamic
Q1- Answers Multiple Choice Questions (MCQs): 1. the temperature is constant, internal energy al changes with change in changes with change in changes with change in both and does not change with change in por 2. The equation du vet holds good for any process for a pas, even when the volume changes b) for other substances it is true only when the volume is constant c) both of the mentioned none of the mentioned 3.A mass...
A multiple-choice test has 20 questions. Each question has 4 possible answers, of which only one is correct. (i) If you randomly answered each question, what is the name of the distribution for the number of possible marks you could achieve for the whole test? Explain your reasons and give the values for the parameters of that distribution.* (ii) If the pass mark for the test is 60% (i.e. 12 marks or more), what is the probability that you will...
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