An Introductory Quiz On Properties Of Stars And Their Stellar Evolution
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Which of the following stars would you expect to have the highest temperature?
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Red Giants
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Red Main Sequence Stars
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Yellow stars
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Blue Stars
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(32).jpg "Which of the following stars would you expect to have the highest temperature?")
About This Quiz
We all love looking at the beautiful stars shining on in the night sky. Nerdy people like me love analyzing the properties of these said stars and how they have evolved over time. Want to become like me? Take the quiz and learn the beauty of Astronomy.
Quiz Preview
- 2.
Using the diagram below, which of the following types of electromagnetic radiation carries the most energy?
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Radio Waves
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Yellow Light
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Infrared
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X-rays
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Gamma Rays
Correct Answer
A. Gamma RaysExplanation
Gamma rays carry the most energy among the given options. This is because gamma rays have the highest frequency and shortest wavelength in the electromagnetic spectrum. Higher frequency and shorter wavelength correspond to higher energy. Therefore, gamma rays have more energy compared to radio waves, yellow light, infrared, and X-rays.Rate this question:
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- 3.
The basic difference in all of these waves of energy is...
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Different wavelengths
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Different Frequencies
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Different Amounts of Energy
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All of the above
Correct Answer
A. All of the aboveExplanation
The basic difference in all of these waves of energy is that they have different wavelengths, frequencies, and amounts of energy. Wavelength refers to the distance between two consecutive points on a wave, frequency is the number of wave cycles that occur in a given time period, and energy is the capacity to do work. Therefore, all of these factors vary in different waves of energy, making "All of the above" the correct answer.Rate this question:
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- 4.
The beginning of stars have which of the following undergoing fusion in their cores?
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Hydrogen
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Helium
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Carbon
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Iron
Correct Answer
A. HydrogenExplanation
Stars begin their lives by undergoing fusion of hydrogen in their cores. Fusion is the process in which hydrogen atoms combine to form helium, releasing a tremendous amount of energy. This fusion reaction is what powers the star and allows it to shine brightly. As the star ages and consumes its hydrogen fuel, it may undergo further fusion reactions involving helium, carbon, and other elements, but initially, the fusion of hydrogen is the primary process occurring in the core of a star.Rate this question:
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- 5.
Which of the following sets of two stars could have the same temperature? Use the following HR Diagram to help.
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Red Giants and White dwarfs
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Yellow Main sequence star and white dwarfs
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Red Main Sequence star and a Red Giant
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Red Giants and a blue main sequence star
Correct Answer
A. Red Main Sequence star and a Red GiantExplanation
A red main sequence star and a red giant could have the same temperature because both types of stars are in the same region of the HR diagram. The HR diagram shows that stars of different sizes and luminosities can have the same temperature. Red main sequence stars and red giants are both relatively cool compared to other types of stars, so it is possible for them to have the same temperature.Rate this question:
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- 6.
If Alpha Centauri is a lot like our own Sun, which of the following must be true?
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Both emit light most strongly at around 500 nm
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Both have similar temperatures
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Both have similar sizes
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All of the above
Correct Answer
A. All of the aboveExplanation
If Alpha Centauri is a lot like our own Sun, it means that it would have similar characteristics. The fact that both emit light most strongly at around 500 nm suggests that they have similar spectral properties. Additionally, if they are similar, it is likely that they have similar temperatures and sizes as well. Therefore, all of the above statements must be true if Alpha Centauri is like our Sun.Rate this question:
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- 7.
Large mass stars could end up as which of the following?
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White Dwarfs
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Planetary Nebulae
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Protostars
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Black Holes
Correct Answer
A. Black HolesExplanation
Large mass stars have a high gravitational pull, which causes them to collapse under their own weight after they exhaust their nuclear fuel. This collapse leads to the formation of a black hole, a region in space where gravity is so strong that nothing, not even light, can escape its pull. Therefore, large mass stars can end up as black holes.Rate this question:
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- 8.
Using the HR Diagram below, which of the following statements is NOT true?
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All stars in the main sequence have the same temperature.
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Red Giants are larger in diameter than main sequence stars.
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Dwarf stars can have the same temperatures of main sequence stars.
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The hotter a star gets, the more energy it emits.
Correct Answer
A. All stars in the main sequence have the same temperature.Explanation
The HR Diagram shows the relationship between a star's temperature and its luminosity. The main sequence represents stars that are fusing hydrogen in their cores, and they vary in temperature and luminosity. Therefore, it is not true that all stars in the main sequence have the same temperature.Rate this question:
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- 9.
TRUE OR FALSE The following diagram represents what our Sun will experience over its life time (reading from left to right as younger to oldest).
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TRUE
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FALSE
Correct Answer
A. TRUEExplanation
The given answer is true because the question states that the diagram represents what our Sun will experience over its lifetime. Since the answer is true, it implies that the diagram accurately depicts the various stages and changes that our Sun will go through as it ages.Rate this question:
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- 10.
Using the diagram below, approximately what is the wavelength of the visible light we see on earth emitted by our Sun?
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475 nm
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575 nm
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675 nm
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775 nm
Correct Answer
A. 575 nmExplanation
The diagram provided suggests that the wavelength of visible light emitted by our Sun is approximately 575 nm.Rate this question:
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- 11.
If the following cloud of hydrogen gas undergoes compression from gravity, what could happen?
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Hydrogen Fusion
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Accretion (clumping together of hydrogen gas into larger sums)
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Formation of a protostar
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All of the above
Correct Answer
A. All of the aboveExplanation
If the cloud of hydrogen gas undergoes compression from gravity, several things could happen. Firstly, hydrogen fusion could occur, which is the process where hydrogen atoms combine to form helium and release a tremendous amount of energy. Secondly, the hydrogen gas could accrete or clump together into larger sums, forming denser regions within the cloud. Lastly, the compression could lead to the formation of a protostar, which is the early stage of a star's formation. Therefore, all of the above options are possible outcomes when the hydrogen gas cloud undergoes compression from gravity.Rate this question:
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- 12.
Which of the following best describes what's in the picture?
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Nebulae as a result of a supernova explosion
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Formation of a Red Giant
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Formation of a protostar
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Remnant of a dieing white dwarf
Correct Answer
A. Nebulae as a result of a supernova explosionExplanation
The picture most likely shows nebulae as a result of a supernova explosion. Nebulae are clouds of gas and dust in space, and they can be formed by various processes. However, a supernova explosion is a particularly powerful event that can create and disperse large amounts of gas and dust, leading to the formation of nebulae. This explanation is supported by the fact that the other options, such as the formation of a Red Giant or a protostar, are different processes that do not involve the explosive release of gas and dust. Additionally, the option of a remnant of a dying white dwarf does not fit the description of the picture as it does not mention the formation of nebulae.Rate this question:
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- 13.
Examine the electromagnetic radiation spectrum and answer the following question. Which of the following waves has a longer wavelength?
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Red Light
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Microwaves
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X-rays
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UV Rays
Correct Answer
A. MicrowavesExplanation
Microwaves have a longer wavelength compared to the other options listed. The electromagnetic spectrum consists of various waves with different wavelengths, and microwaves fall towards the lower end of the spectrum. Red light, UV rays, and X-rays have shorter wavelengths compared to microwaves. Therefore, microwaves have a longer wavelength than the other waves mentioned.Rate this question:
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- 14.
Examine the diagram below of an excited electron of an helium atom returning to its normal "state." If the wavelength of energy emitted was 586, what color of light would we see from ?
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Red
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Orange
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Yellow
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Blue
Correct Answer
A. YellowExplanation
When an excited electron of a helium atom returns to its normal state, it emits energy in the form of light. The wavelength of this emitted energy is 586. According to the visible light spectrum, wavelengths around 580-590 are in the yellow range. Therefore, the color of light we would see from this excited electron returning to its normal state would be yellow.Rate this question:
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- 15.
T = 3 x106 / λmUsing Wein's Law (posted above) and the continuous spectrum with wavelengths, which of the following would be incorrect for the following stars:Blue Star - 7500 KYellow Star - 5500 KRed Star - 10, 000 K
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Blue Star
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Yellow Star
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Red Star
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NONE. They are all correct
Correct Answer
A. Red StarExplanation
The given equation T = 3 x 10^6 / λm represents Wien's Law, which relates the temperature (T) of a star to the wavelength (λm) at which the star emits the most radiation. According to Wien's Law, as the temperature of a star increases, the wavelength at which it emits the most radiation decreases. Therefore, a red star with a temperature of 10,000 K would have a shorter wavelength at which it emits the most radiation compared to a blue star with a temperature of 7500 K. Since the question asks for the incorrect statement, the answer "Red Star" is incorrect because a red star with a temperature of 10,000 K would not have a longer wavelength at which it emits the most radiation compared to a blue star with a temperature of 7500 K.Rate this question:
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- 16.
A star this cool and very luminous must have...
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A very large radius
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A very small radius
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Blue light emitted
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A high temperature
Correct Answer
A. A very large radiusExplanation
A star that is cool and very luminous indicates that it has a large radius. This is because the luminosity of a star is determined by its surface area, and a larger radius means a larger surface area, resulting in a higher luminosity. Therefore, a star with these characteristics must have a very large radius.Rate this question:
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- 17.
Which of the following stars listed below emits the most energy?
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Red SuperGiants
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Red Giants
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Red Main Sequence Stars
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Blue Stars
Correct Answer
A. Red SuperGiantsExplanation
Red SuperGiants emit the most energy among the stars listed. This is because Red SuperGiants are extremely massive and have a high surface temperature, causing them to release a large amount of energy through nuclear fusion reactions in their core. The fusion reactions in Red SuperGiants produce a tremendous amount of heat and light, making them the most energetic stars among the options given.Rate this question:
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- 18.
Small mass stars could end up as which of the following?
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Supernova Explosions
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Neutron Stars
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Black Dwarfs
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Planetary nebulae
Correct Answer
A. Planetary nebulaeExplanation
Small mass stars, also known as low-mass stars, do not have enough mass to undergo a supernova explosion. Instead, they go through a different process called a planetary nebula. During this phase, the outer layers of the star are expelled into space, forming a glowing shell of gas and dust known as a planetary nebula. The remaining core of the star, called a white dwarf, is left behind. Neutron stars and black dwarfs are not formed by small mass stars.Rate this question:
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(33).jpg "Using the diagram below, which of the following types of electromagnetic radiation carries the most energy?")
(25).jpg "The basic difference in all of these waves of energy is...")
(29).jpg "The beginning of stars have which of the following undergoing fusion in their cores?")
(30).jpg "Which of the following sets of two stars could have the same temperature? Use the following HR Diagram to help.")
(24).jpg "If Alpha Centauri is a lot like our own Sun, which of the following must be true?")
(23).jpg "Large mass stars could end up as which of the following?")
(31).jpg "Using the HR Diagram below, which of the following statements is NOT true?")
(24).jpg "TRUE OR FALSE
The following diagram represents what our Sun will experience over its life time (reading from left to right as younger to oldest).")
(28).jpg "Using the diagram below, approximately what is the wavelength of the visible light we see on earth emitted by our Sun?")
(23).jpg "If the following cloud of hydrogen gas undergoes compression from gravity, what could happen?")
(20).jpg "Which of the following best describes what's in the picture?")
(32).jpg "Examine the electromagnetic radiation spectrum and answer the following question.
Which of the following waves has a longer wavelength?")
(33).jpg "T = 3 x106 / λmUsing Wein's Law (posted above) and the continuous spectrum with wavelengths, which of the following would be incorrect for the following stars:Blue Star - 7500 KYellow Star - 5500 KRed Star - 10, 000 K")
(30).jpg "A star this cool and very luminous must have...")
(32).jpg "Which of the following stars listed below emits the most energy?")
(25).jpg "Small mass stars could end up as which of the following?")
Quiz Review Timeline (Updated): Mar 21, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Feb 17, 2010Quiz Created by
Bfritz
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