Question 1

What is the wavelength of light that has a frequency of 3 MHz

Accepted Answer

A) 9 × 1014 Hz 
B) 1 × 1014 m 
C) 9 × 1014 m 
D) 100 m 
E) 0.01 m 
A) 9 × 1014 Hz 
B) 1 × 1014 m 
C) 9 × 1014 m 
D) 100 m 
E) 0.01 m

Question 2

A telescope whose primary is a lens and contains no mirrors is a(n) _______ telescope.

Accepted Answer

A) refracting 
B) reflecting 
C) deflecting 
D) compound 
E) retracting 
A) refracting 
B) reflecting 
C) deflecting 
D) compound 
E) retracting

Question 3

A __________ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.

Accepted Answer

A) grating 
B) spectrograph 
C) photometer 
D) charge-coupled device 
E) prism 
A) grating 
B) spectrograph 
C) photometer 
D) charge-coupled device 
E) prism

Question 4

Which of the following sequences of electromagnetic radiation is correct in order of increasing energy

Accepted Answer

A) gamma rays, X-rays, infrared, radio 
B) radio, microwave, gamma rays, UV 
C) visible, UV, X-rays, gamma rays 
D) visible, microwave, radio, infrared 
E) infrared, visible, radio, X-rays 
A) gamma rays, X-rays, infrared, radio 
B) radio, microwave, gamma rays, UV 
C) visible, UV, X-rays, gamma rays 
D) visible, microwave, radio, infrared 
E) infrared, visible, radio, X-rays

Question 5

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 6

Why are nearly all recently built astronomical telescopes reflectors instead of refractors

Accepted Answer

Refracting telescopes suffer from chroma

Question 7

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

Accepted Answer

wavelength

Question 8

Compared to a smaller-objective lens, a larger-objective lens makes a star's image

Accepted Answer

A) brighter. 
B) dimmer. 
C) no effect. 
A) brighter. 
B) dimmer. 
C) no effect.

Question 9

The ____ of a telescope is a measure of its ability to show fine detail and depends on the diameter of the objective.

Accepted Answer

A) light-gathering power 
B) focal length 
C) magnifying power 
D) resolving power 
E) spherical aberration 
A) light-gathering power 
B) focal length 
C) magnifying power 
D) resolving power 
E) spherical aberration

Question 10

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 11

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

Accepted Answer

Light-gath

Question 12

Refracting telescopes suffer from ____________________ aberration.

Accepted Answer

The answer of Refracting telescopes suffer from ____________________ aberration....

Question 13

The ____________________ of a telescope is determined by the size of the primary lens or mirror.

Accepted Answer

light-gath

Question 14

The energy of a photon

Accepted Answer

A) is proportional to the wavelength of the light. 
B) is inversely proportional to the wavelength of the light. 
C) depends only on the speed of the light. 
D) depends only on the mass of the photon. 
E) depends on both the mass and speed of the photon. 
A) is proportional to the wavelength of the light. 
B) is inversely proportional to the wavelength of the light. 
C) depends only on the speed of the light. 
D) depends only on the mass of the photon. 
E) depends on both the mass and speed of the photon.

Question 15

An achromatic lens

Accepted Answer

A) is used to correct spherical aberration in reflecting telescopes. 
B) is used to correct chromatic aberration in refracting telescopes. 
C) is used to correct spherical aberration in refracting telescopes. 
D) is used to correct chromatic aberration in reflecting telescopes. 
E) contains two mirrors and focuses the light back through the primary mirror. 
A) is used to correct spherical aberration in reflecting telescopes. 
B) is used to correct chromatic aberration in refracting telescopes. 
C) is used to correct spherical aberration in refracting telescopes. 
D) is used to correct chromatic aberration in reflecting telescopes. 
E) contains two mirrors and focuses the light back through the primary mirror.

Question 16

Earth's atmosphere is fully transparent only to visible and radio light.

Accepted Answer

A) True 
 B)False

What is the wavelength of light that has a frequency of 3 MHz

A telescope whose primary is a lens and contains no mirrors is a(n) _______ telescope.

A __________ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.

Which of the following sequences of electromagnetic radiation is correct in order of increasing energy

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.

Why are nearly all recently built astronomical telescopes reflectors instead of refractors

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

Compared to a smaller-objective lens, a larger-objective lens makes a star's image

The ____ of a telescope is a measure of its ability to show fine detail and depends on the diameter of the objective.

Which kind of telescope is shown

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

Refracting telescopes suffer from ____________________ aberration.

The ____________________ of a telescope is determined by the size of the primary lens or mirror.

The energy of a photon

An achromatic lens

Earth's atmosphere is fully transparent only to visible and radio light.

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

The Origin of the Solar System

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

What is the wavelength of light that has a frequency of 3 MHz

A telescope whose primary is a lens and contains no mirrors is a(n) _______ telescope.

A __________ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.

Which of the following sequences of electromagnetic radiation is correct in order of increasing energy

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.

Why are nearly all recently built astronomical telescopes reflectors instead of refractors

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

Compared to a smaller-objective lens, a larger-objective lens makes a star's image

The ____ of a telescope is a measure of its ability to show fine detail and depends on the diameter of the objective.

Which kind of telescope is shown

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

Refracting telescopes suffer from ____________________ aberration.

The ____________________ of a telescope is determined by the size of the primary lens or mirror.

The energy of a photon

An achromatic lens

Earth's atmosphere is fully transparent only to visible and radio light.

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

The Origin of the Solar System

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

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