A) an absorption spectrum. B) a continuous spectrum. C) an emission spectrum. D) no radiation. A) an absorption spectrum. B) a continuous spectrum. C) an emission spectrum. D) no radiation.

Exam 4: Light | Examlex

What would you expect the temperature of a comet to be if its distance was 100 AU from the Sun? Assume that it is very icy and reflective so that its albedo is equal to 0.6.Does it matter what the radius of the comet is?

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Question 1

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No,it does not matter what the size of the comet is.As derived in Section 4.7,the temperature of any object in the solar system will be equal to where a is the albedo and is the distance from the Sun measured in units of AU.Thus,the comet's temperature is .

Why is an iron atom a different element than a sodium atom?

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What is the surface temperature of a star that has a peak wavelength of 290 nm?

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A star emits

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Question 4

An asteroid with an albedo of 0.1 and a comet with an albedo of 0.6 are orbiting at roughly the same distance from the Sun.How do their temperatures compare?

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Question 5

The speed of light in a vacuum is __________.

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Question 6

If Saturn has a semimajor axis of 10 AU and an albedo of 0.7,what is its expected temperature?

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Question 7

A red photon has a frequency of 650 nm.An ultraviolet photon has a frequency of 250 nm.The energy of an ultraviolet photon is __________ than a red photon.

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Question 8

Describe,in your own words,the fundamental problem with the Bohr model of the atom.(That is,why doesn't an electron orbit a nucleus like a planet does the Sun?)

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Question 9

Star A and star B appear equally bright in the sky.Star A is twice as far away from Earth as star B.How do the luminosities of stars A and B compare?

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Question 10

The emission spectrum of a helium atom is identical to that of a carbon atom.

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Question 11

Light with a wavelength of 600 nm has a frequency of

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Question 12

Name four physical properties of an object that we can determine by analyzing the radiation that it emits,and briefly describe how these properties are determined.Cite the names of any laws that apply.

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Question 13

The emission and absorption lines of a given atom occur at the exact same energies.

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Question 14

If you were driving down a deserted country road and you saw a light in the distance,what would you need to measure or know about it in order to calculate how far away it was?

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Question 15

Doppler shift can be used to determine the 3-dimensional velocity of a star.

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Question 16

Heisenberg's uncertainty principle tells us that an electron in an atom behaves more like a cloud than a pointlike particle.

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Question 17

Star C and star D are equally luminous.Star C is twice as far away from Earth as star D.How do the brightness level of stars C and D compare?

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Question 18

As wavelength increases,the energy of a photon and its frequency .

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Question 19

According to quantum mechanics,it is possible to determine beforehand when a given atom will spontaneously decay.

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Question 20

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Exam 4: Light

What would you expect the temperature of a comet to be if its distance was 100 AU from the Sun? Assume that it is very icy and reflective so that its albedo is equal to 0.6.Does it matter what the radius of the comet is?

Why is an iron atom a different element than a sodium atom?

What is the surface temperature of a star that has a peak wavelength of 290 nm?

A star emits

An asteroid with an albedo of 0.1 and a comet with an albedo of 0.6 are orbiting at roughly the same distance from the Sun.How do their temperatures compare?

The speed of light in a vacuum is __________.

If Saturn has a semimajor axis of 10 AU and an albedo of 0.7,what is its expected temperature?

A red photon has a frequency of 650 nm.An ultraviolet photon has a frequency of 250 nm.The energy of an ultraviolet photon is __________ than a red photon.

Describe,in your own words,the fundamental problem with the Bohr model of the atom.(That is,why doesn't an electron orbit a nucleus like a planet does the Sun?)

Star A and star B appear equally bright in the sky.Star A is twice as far away from Earth as star B.How do the luminosities of stars A and B compare?

The emission spectrum of a helium atom is identical to that of a carbon atom.

Light with a wavelength of 600 nm has a frequency of

Name four physical properties of an object that we can determine by analyzing the radiation that it emits,and briefly describe how these properties are determined.Cite the names of any laws that apply.

The emission and absorption lines of a given atom occur at the exact same energies.

If you were driving down a deserted country road and you saw a light in the distance,what would you need to measure or know about it in order to calculate how far away it was?

Doppler shift can be used to determine the 3-dimensional velocity of a star.

Heisenberg's uncertainty principle tells us that an electron in an atom behaves more like a cloud than a pointlike particle.

Star C and star D are equally luminous.Star C is twice as far away from Earth as star D.How do the brightness level of stars C and D compare?

As wavelength increases,the energy of a photon __________ and its frequency __________.

According to quantum mechanics,it is possible to determine beforehand when a given atom will spontaneously decay.

Why Learn Astronomy

Patterns in the Skymotions of Earth

Gravity and Orbitsa Celestial Ballet

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Gravity Is More Than Keplers Laws

Planetary Adornmentsmoons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

A Run-Of-The-Mill G-Type Starour Sun

Star Formation and the Interstellar Medium

Stars in the Slow Lanelow-Mass Stellar Evolution

Live Fast,die Younghigh-Mass Stellar Evolution

Our Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

The Origin of Structure

Life

Filters

As wavelength increases,the energy of a photon and its frequency .