Question 1

How are we able to determine the chemical composition and temperature of any visible object?

Accepted Answer

When an electron moves from one energy l

Question 2

If a wave's frequency doubles, its wavelength

Accepted Answer

A)  is halved. 
B)  is also doubled. 
C)  is unchanged, as c is constant. 
D)  is now 4 times longer. 
E)  becomes 16 times longer. 
A)  is halved. 
B)  is also doubled. 
C)  is unchanged, as c is constant. 
D)  is now 4 times longer. 
E)  becomes 16 times longer.

Question 3

The product of the wavelength times the frequency of a wave is its ________.

Accepted Answer

The answer of The product of the wavelength times the...

Question 4

The design of modern X-ray telescopes depends on

Accepted Answer

A)  lenses made of germanium. 
B)  the prime focus design, with mirrors made of iron. 
C)  grazing incidence optics. 
D)  achromatic lenses to keep the X-rays in focus. 
E)  the Cassegrain design, with mirrors made of lead. 
A)  lenses made of germanium. 
B)  the prime focus design, with mirrors made of iron. 
C)  grazing incidence optics. 
D)  achromatic lenses to keep the X-rays in focus. 
E)  the Cassegrain design, with mirrors made of lead.

Question 5

A typical space telescope is operated by how many astronauts?

Accepted Answer

A)  7 
B)  5 
C)  3 
D)  1 
E)  0 
A)  7 
B)  5 
C)  3 
D)  1 
E)  0

Question 6

The ability of a telescope to separate two closely spaced stars is called ________.

Accepted Answer

The answer of The ability of a telescope to separate...

Question 7

It takes ________ astronauts to operate the Hubble Space Telescope.

Accepted Answer

The answer of It takes ________ astronauts to operate the...

Question 8

In a wave, the distance from peak to peak is called the wave's ________.

Accepted Answer

The answer of In a wave, the distance from peak...

Question 9

The absorption lines for a cool thin gas are identical in color and energy to the emission lines of the same gas if hot enough to glow.

Accepted Answer

A) True 
 B)False

Question 10

All radio telescopes are reflectors in design.

Accepted Answer

A) True 
 B)False

Question 11

The visible color of electromagnetic radiation that has the shortest wavelength is

Accepted Answer

A)  red. 
B)  orange. 
C)  green. 
D)  blue. 
E)  violet. 
A)  red. 
B)  orange. 
C)  green. 
D)  blue. 
E)  violet.

How are we able to determine the chemical composition and temperature of any visible object?

If a wave's frequency doubles, its wavelength

The product of the wavelength times the frequency of a wave is its ________.

The design of modern X-ray telescopes depends on

A typical space telescope is operated by how many astronauts?

The ability of a telescope to separate two closely spaced stars is called ________.

It takes ________ astronauts to operate the Hubble Space Telescope.

In a wave, the distance from peak to peak is called the wave's ________.

The absorption lines for a cool thin gas are identical in color and energy to the emission lines of the same gas if hot enough to glow.

All radio telescopes are reflectors in design.

The visible color of electromagnetic radiation that has the shortest wavelength is

The Night Sky

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters

Exam 2: Light and Telescopes

How are we able to determine the chemical composition and temperature of any visible object?

If a wave's frequency doubles, its wavelength

The product of the wavelength times the frequency of a wave is its ________.

The design of modern X-ray telescopes depends on

A typical space telescope is operated by how many astronauts?

The ability of a telescope to separate two closely spaced stars is called ________.

It takes ________ astronauts to operate the Hubble Space Telescope.

In a wave, the distance from peak to peak is called the wave's ________.

The absorption lines for a cool thin gas are identical in color and energy to the emission lines of the same gas if hot enough to glow.

All radio telescopes are reflectors in design.

The visible color of electromagnetic radiation that has the shortest wavelength is

The Night Sky

The Solar System

Earth and Its Moon

The Eight Planets

Small Bodies in the Solar System

Formation of Planetary Systems

The Sun

Measuring the Stars

Star Formation and Evolution

Stellar Explosions

Black Holes

The Milky Way Galaxy

Galaxies

Cosmology and the Universe

Filters