Question 1

The ____________________ is a measure of the clarity of the atmosphere.

Accepted Answer

The answer of The ____________________ is a measure of the...

Question 2

A telescope that suffers from chromatic aberration and has a low light gathering power is most likely

Accepted Answer

A)  a small diameter reflecting telescope. 
B)  a small diameter refracting telescope. 
C)  a large diameter refracting telescope. 
D)  a large diameter reflecting telescope. 
E)  an infrared telescope. 
A)  a small diameter reflecting telescope. 
B)  a small diameter refracting telescope. 
C)  a large diameter refracting telescope. 
D)  a large diameter reflecting telescope. 
E)  an infrared telescope.

Question 3

Interferometry is easiest to use with telescopes that observe at very short wavelengths.

Accepted Answer

A) True 
 B)False

Question 4

The Very Long Baseline Interferometer (VLBI)

Accepted Answer

A)  is the highest resolution optical telescope ever built. 
B)  is located in Arecibo, Puerto Rico. 
C)  is a matched pair of 8 m telescopes, one of which is in Chile and the other in Hawaii. 
D)  is an air-borne infrared telescope. 
E)  is a set of radio telescopes linked together electronically to provide very high resolution. 
A)  is the highest resolution optical telescope ever built. 
B)  is located in Arecibo, Puerto Rico. 
C)  is a matched pair of 8 m telescopes, one of which is in Chile and the other in Hawaii. 
D)  is an air-borne infrared telescope. 
E)  is a set of radio telescopes linked together electronically to provide very high resolution.

Question 5

Which of the following telescopes must be used above Earth s atmosphere?

Accepted Answer

A)  an optical telescope 
B)  the VLBI telescope 
C)  an x-ray telescope 
D)  a radio telescope 
E)  none of the above 
A)  an optical telescope 
B)  the VLBI telescope 
C)  an x-ray telescope 
D)  a radio telescope 
E)  none of the above

Question 6

If the magnification of a telescope can be changed simply by exchanging eyepieces, why can t you just magnify objects to very large sizes by choosing an appropriate eyepiece?

Accepted Answer

The answer of If the magnification of a telescope can...

Question 7

Telescopes observing in the far ultraviolet can work from high-flying aircraft.

Accepted Answer

A) True 
 B)False

Question 8

What is the magnification of a telescope and eyepiece if the telescope objective has a focal length of 200 cm and the eyepiece has a focal length of 2.0 cm

Accepted Answer

A)  400 times 
B)  4000 times 
C)  100 times 
D)  1000 times 
E)  40 times 
A)  400 times 
B)  4000 times 
C)  100 times 
D)  1000 times 
E)  40 times

Question 9

The largest optical telescope ever constructed was a refracting telescope.

Accepted Answer

A) True 
 B)False

Question 10

____ is absorbed by ozone in Earth s atmosphere that is located betweeN20 km and 40 km above Earth s surface. Therefore, telescopes to observe this radiation must be placed in space.

Accepted Answer

A)  Infrared radiation 
B)  Ultraviolet radiation 
C)  Radio wave radiation 
D)  X-ray radiation 
E)  Visible light 
A)  Infrared radiation 
B)  Ultraviolet radiation 
C)  Radio wave radiation 
D)  X-ray radiation 
E)  Visible light

Question 11

Which of the following types of electromagnetic radiation has the greatest energy?

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 12

____ has (have) wavelengths that are longer than visible light.

Accepted Answer

A)  Gamma-rays 
B)  Ultraviolet light 
C)  Infrared radiation 
D)  X-rays 
E)  a, b and d above 
A)  Gamma-rays 
B)  Ultraviolet light 
C)  Infrared radiation 
D)  X-rays 
E)  a, b and d above

Question 13

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 14

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 15

List the advantages the Hubble Space Telescope has over ground-based telescopes.

Accepted Answer

The answer of List the advantages the Hubble Space Telescope...

Question 16

____ 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 17

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 18

300 nm light has a lower frequency than 500 nm light.

Accepted Answer

A) True 
 B)False

Question 19

The main reason for building large optical telescopes on the Earth s surface is

Accepted Answer

A)  that there is a lot of money in science that needs to get spent. 
B)  to collect as much light as possible from faint objects. 
C)  to nullify the blurring effects of the Earth s atmosphere and thus produce higher resolution images. 
D)  to bring astronomical objects closer to make them brighter. 
E)  that the warm temperatures of the Earth s surface allow for easier telescope operation. 
A)  that there is a lot of money in science that needs to get spent. 
B)  to collect as much light as possible from faint objects. 
C)  to nullify the blurring effects of the Earth s atmosphere and thus produce higher resolution images. 
D)  to bring astronomical objects closer to make them brighter. 
E)  that the warm temperatures of the Earth s surface allow for easier telescope operation.

Question 20

The technique of connecting multiple telescopes together to combine the images from each telescope is known as

Accepted Answer

A)  abberation. 
B)  resolving power. 
C)  active optics. 
D)  adaptive optics. 
E)  interferometry. 
A)  abberation. 
B)  resolving power. 
C)  active optics. 
D)  adaptive optics. 
E)  interferometry.

The ____________________ is a measure of the clarity of the atmosphere.

A telescope that suffers from chromatic aberration and has a low light gathering power is most likely

Interferometry is easiest to use with telescopes that observe at very short wavelengths.

The Very Long Baseline Interferometer (VLBI)

Which of the following telescopes must be used above Earth s atmosphere?

If the magnification of a telescope can be changed simply by exchanging eyepieces, why can t you just magnify objects to very large sizes by choosing an appropriate eyepiece?

Telescopes observing in the far ultraviolet can work from high-flying aircraft.

What is the magnification of a telescope and eyepiece if the telescope objective has a focal length of 200 cm and the eyepiece has a focal length of 2.0 cm

The largest optical telescope ever constructed was a refracting telescope.

____ is absorbed by ozone in Earth s atmosphere that is located betweeN₂0 km and 40 km above Earth s surface. Therefore, telescopes to observe this radiation must be placed in space.

Which of the following types of electromagnetic radiation has the greatest energy?

____ has (have) wavelengths that are longer than visible light.

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

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.

List the advantages the Hubble Space Telescope has over ground-based telescopes.

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

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

300 nm light has a lower frequency than 500 nm light.

The main reason for building large optical telescopes on the Earth s surface is

The technique of connecting multiple telescopes together to combine the images from each telescope is known as

Here and Now

Users Guide to the Sky: Patterns and Cycles

The Origin of Modern Astronomy

Sun Light and Sun Atoms

The Terrestrial Planets

The Outer Solar System

Origins of the Solar System and Extrasolar Planets

The Family of Stars

Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Life on Other Worlds

Filters

Exam 4: Light and Telescopes

The ____________________ is a measure of the clarity of the atmosphere.

A telescope that suffers from chromatic aberration and has a low light gathering power is most likely

Interferometry is easiest to use with telescopes that observe at very short wavelengths.

The Very Long Baseline Interferometer (VLBI)

Which of the following telescopes must be used above Earth s atmosphere?

If the magnification of a telescope can be changed simply by exchanging eyepieces, why can t you just magnify objects to very large sizes by choosing an appropriate eyepiece?

Telescopes observing in the far ultraviolet can work from high-flying aircraft.

What is the magnification of a telescope and eyepiece if the telescope objective has a focal length of 200 cm and the eyepiece has a focal length of 2.0 cm

The largest optical telescope ever constructed was a refracting telescope.

____ is absorbed by ozone in Earth s atmosphere that is located betweeN20 km and 40 km above Earth s surface. Therefore, telescopes to observe this radiation must be placed in space.

Which of the following types of electromagnetic radiation has the greatest energy?

____ has (have) wavelengths that are longer than visible light.

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

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.

List the advantages the Hubble Space Telescope has over ground-based telescopes.

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

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

300 nm light has a lower frequency than 500 nm light.

The main reason for building large optical telescopes on the Earth s surface is

The technique of connecting multiple telescopes together to combine the images from each telescope is known as

Here and Now

Users Guide to the Sky: Patterns and Cycles

The Origin of Modern Astronomy

Sun Light and Sun Atoms

The Terrestrial Planets

The Outer Solar System

Origins of the Solar System and Extrasolar Planets

The Family of Stars

Structure and Formation of Stars

The Deaths of Stars

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Life on Other Worlds

Filters

____ is absorbed by ozone in Earth s atmosphere that is located betweeN₂0 km and 40 km above Earth s surface. Therefore, telescopes to observe this radiation must be placed in space.