Question 1

_______ penetrate(s) the Earth's atmosphere to reach its surface.

Accepted Answer

A)  X-rays 
B)  Radio waves 
C)  Visible light 
D)  X-rays and radio waves 
E)  Radio waves and visible light 
A)  X-rays 
B)  Radio waves 
C)  Visible light 
D)  X-rays and radio waves 
E)  Radio waves and visible light

Question 2

The process of combining signals from separate telescopes to improve resolution is called ____________________.

Accepted Answer

The answer of The process of combining signals from separate...

Question 3

Light is referred to as _______________________ radiation.

Accepted Answer

The answer of Light is referred to as _______________________ radiation....

Question 4

Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________________, from ________ star(s).

Accepted Answer

A)  blurring, two 
B)  chromatic aberration, two 
C)  bad seeing, a single 
D)  diffraction fringes, a single 
A)  blurring, two 
B)  chromatic aberration, two 
C)  bad seeing, a single 
D)  diffraction fringes, a single

Question 5

_________________ refers to the ability of a telescope to produce bright images.

Accepted Answer

Light-gath

Question 6

As shown, a(n) ______________ is added to help focus the red and yellow images.

Accepted Answer

A)  chromatic lens 
B)  chromatic mirror 
C)  achromatic mirror 
D)  achromatic lens 
A)  chromatic lens 
B)  chromatic mirror 
C)  achromatic mirror 
D)  achromatic lens

Question 7

Light travels at speed c . Complete the following equation using only words: 
​ 
wave speed = _____________ × ________________

Accepted Answer

wavelength

Question 8

Which of the following types of electromagnetic radiation has the highest frequency?

Accepted Answer

A)  X-rays 
B)  visible light 
C)  radio 
D)  gamma rays 
E)  infrared radiation 
A)  X-rays 
B)  visible light 
C)  radio 
D)  gamma rays 
E)  infrared radiation

Question 9

A(n) ____________________ is used to measure the brightness and color of stars.

Accepted Answer

The answer of A(n) ____________________ is used to measure the...

Question 10

____ has (have) wavelengths that are shorter than visible light.
I. Gamma rays
II. Ultraviolet light
III. Infrared radiation
IV. X-rays

Accepted Answer

A)  I & II 
B)  I & IV 
C)  II & III 
D)  II, III, & IV 
E)  I, II, & IV 
A)  I & II 
B)  I & IV 
C)  II & III 
D)  II, III, & IV 
E)  I, II, & IV

Question 11

If you focused a store-bought telescope at a tree down the street on a clear day, the tree would be viewed as ______________ and _____________.

Accepted Answer

A)  right side up, larger 
B)  upside down, larger 
C)  right side up, smaller 
D)  upside down, smaller 
A)  right side up, larger 
B)  upside down, larger 
C)  right side up, smaller 
D)  upside down, smaller

Question 12

X-rays easily penetrate Earth's atmosphere and reach the ground from space.

Accepted Answer

A) True 
 B)False

Question 13

The colors of the rainbow from shortest to longest wavelength are ______________________.

Accepted Answer

violet, in

Question 14

Long wavelength visible light

Accepted Answer

A)  will have a greater energy than short wavelength visible light. 
B)  will have a speed that is faster than short wavelength light. 
C)  has a higher frequency than short wavelength visible light. 
D)  will appear blue in color to the average human eye. 
E)  will appear red in color to the average human eye. 
A)  will have a greater energy than short wavelength visible light. 
B)  will have a speed that is faster than short wavelength light. 
C)  has a higher frequency than short wavelength visible light. 
D)  will appear blue in color to the average human eye. 
E)  will appear red in color to the average human eye.

Question 15

Reflecting telescopes are no longer popular with astronomers because they are expensive and suffer from chromatic aberration.

Accepted Answer

A) True 
 B)False

Question 16

The figure below shows a single lens with two rays of white light incident on it from the left. Sketch the paths of the blue, yellow, and red components of each of these rays to the point where the light from the upper and lower rays would meet. 
​

Accepted Answer

The blue rays should come to a focus clo

Question 17

An ordinary glass lens forms an image by ____________ of light.

Accepted Answer

A)  reflection 
B)  refraction 
C)  diffraction 
A)  reflection 
B)  refraction 
C)  diffraction

Question 18

Which kind of telescope is shown?

Accepted Answer

A)  infrared 
B)  radio 
C)  optical 
D)  ultraviolet 
A)  infrared 
B)  radio 
C)  optical 
D)  ultraviolet

Question 19

In which way does a photon of blue light NOT differ from a photon of red light?

Accepted Answer

A)  energy 
B)  speed 
C)  wavelength 
D)  color 
E)  frequency 
A)  energy 
B)  speed 
C)  wavelength 
D)  color 
E)  frequency

Question 20

In the above images, which is the representational-color image and for which band of the electromagnetic spectrum?

Accepted Answer

A)  right, visual 
B)  left, visual 
C)  right, infrared 
D)  left, infrared 
A)  right, visual 
B)  left, visual 
C)  right, infrared 
D)  left, infrared

_______ penetrate(s) the Earth's atmosphere to reach its surface.

The process of combining signals from separate telescopes to improve resolution is called ____________________.

Light is referred to as _______________________ radiation.

Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________, from star(s).

_________________ refers to the ability of a telescope to produce bright images.

As shown, a(n) ______________ is added to help focus the red and yellow images.

Light travels at speed c . Complete the following equation using only words: wave speed = _ × ____

Which of the following types of electromagnetic radiation has the highest frequency?

A(n) ____________________ is used to measure the brightness and color of stars.

____ has (have) wavelengths that are shorter than visible light. I. Gamma rays II. Ultraviolet light III. Infrared radiation IV. X-rays

If you focused a store-bought telescope at a tree down the street on a clear day, the tree would be viewed as __ and _.

X-rays easily penetrate Earth's atmosphere and reach the ground from space.

The colors of the rainbow from shortest to longest wavelength are ______________________.

Long wavelength visible light

Reflecting telescopes are no longer popular with astronomers because they are expensive and suffer from chromatic aberration.

The figure below shows a single lens with two rays of white light incident on it from the left. Sketch the paths of the blue, yellow, and red components of each of these rays to the point where the light from the upper and lower rays would meet.

An ordinary glass lens forms an image by ____________ of light.

Which kind of telescope is shown?

In which way does a photon of blue light NOT differ from a photon of red light?

In the above images, which is the representational-color image and for which band of the electromagnetic spectrum?

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 5: Light and Telescopes

_______ penetrate(s) the Earth's atmosphere to reach its surface.

The process of combining signals from separate telescopes to improve resolution is called ____________________.

Light is referred to as _______________________ radiation.

Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________________, from ________ star(s).

_________________ refers to the ability of a telescope to produce bright images.

As shown, a(n) ______________ is added to help focus the red and yellow images.

Light travels at speed c . Complete the following equation using only words: ​ wave speed = _____________ × ________________

Which of the following types of electromagnetic radiation has the highest frequency?

A(n) ____________________ is used to measure the brightness and color of stars.

____ has (have) wavelengths that are shorter than visible light. I. Gamma rays II. Ultraviolet light III. Infrared radiation IV. X-rays

If you focused a store-bought telescope at a tree down the street on a clear day, the tree would be viewed as ______________ and _____________.

X-rays easily penetrate Earth's atmosphere and reach the ground from space.

The colors of the rainbow from shortest to longest wavelength are ______________________.

Long wavelength visible light

Reflecting telescopes are no longer popular with astronomers because they are expensive and suffer from chromatic aberration.

The figure below shows a single lens with two rays of white light incident on it from the left. Sketch the paths of the blue, yellow, and red components of each of these rays to the point where the light from the upper and lower rays would meet. ​

An ordinary glass lens forms an image by ____________ of light.

Which kind of telescope is shown?

In which way does a photon of blue light NOT differ from a photon of red light?

In the above images, which is the representational-color image and for which band of the electromagnetic spectrum?

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Atoms and Spectra

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________, from star(s).

Light travels at speed c . Complete the following equation using only words: wave speed = _ × ____

If you focused a store-bought telescope at a tree down the street on a clear day, the tree would be viewed as __ and _.

The figure below shows a single lens with two rays of white light incident on it from the left. Sketch the paths of the blue, yellow, and red components of each of these rays to the point where the light from the upper and lower rays would meet.