Why can large lenses be problematic in telescopes?

They can be very heavy and can be supported only at the edge

What are charge-coupled devices (CCDs) used for in image acquisition?

They are electronic devices that can be read out and reset quickly.

They are used to store data permanently.

They are used to enhance sound quality.

Why are larger telescopes more desirable?

They have better resolution and can gather more light.

They are easier to transport and set up.

They are less expensive to build.

What does better resolving power allow you to do?

Distinguish objects that are closer together

Distinguish objects that are farther apart

How is resolution related to wavelength and telescope size?

Proportional to wavelength and inversely proportional to telescope size

Proportional to wavelength and proportional to telescope size

Inversely proportional to wavelength and proportional to telescope size

Inversely proportional to both wavelength and telescope size

Which of the following is a solution to reduce atmospheric blurring by placing telescopes?

On mountaintops, especially in deserts

What is the purpose of active optics in telescopes?

Control mirrors based on temperature and orientation

Increase the size of the telescope

Reduce the weight of the telescope

How do adaptive optics help in high-resolution astronomy?

Track atmospheric changes with laser, adjust mirrors in real time

Increase the brightness of stars

Simplify the design of telescopes

What is one disadvantage of longer wavelengths in radio astronomy?

C) Increased interference from clouds

What is an advantage of radio astronomy?

A) Can only observe during the day

B) Clouds, rain, and snow interfere

Why don't clouds, rain, and snow interfere with radio astronomy?

B) Radio waves can pass through them

What is the main purpose of interferometry in radio telescopes?

To combine information from several widely-spread radio telescopes

To increase the size of individual telescopes

To reduce the number of telescopes needed

To focus on a single point in space

What determines the resolution in interferometry?

The largest separation between dishes

What is one advantage of using radio images in interferometry?

They have a resolution close to optical images.

They are easier to capture than optical images.

They are unaffected by weather conditions.

What can generally be used with infrared radiation to image where visible radiation is blocked?

Optical telescope mirrors and lenses

Why must ultraviolet observing be done in space?

The atmosphere absorbs almost all ultraviolet rays.

Ultraviolet rays are too weak to be observed from Earth.

Ultraviolet rays are only present in space.

The atmosphere reflects ultraviolet rays back into space.

Chapter 5 Telescope Test

Quiz

•

Science

•

6th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS4-5, HS-PS4-3, HS-PS4-1

+1

Standards-aligned

Ashley Sexton

Used 1+ times

FREE Resource

36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two methods through which images can be formed in telescope design?

Reflection and refraction

Absorption and diffusion

Diffraction and dispersion

Scattering and absorption

What is the role of a reflecting mirror in a telescope?

To absorb light rays

To focus incoming light rays

To disperse light rays

To block incoming light rays

What is the main function of a refracting lens?

To reflect light rays

To absorb light rays

To focus light rays

To scatter light rays

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between reflecting and refracting telescopes?

Reflecting telescopes use lenses, while refracting telescopes use mirrors.

Reflecting telescopes use mirrors, while refracting telescopes use lenses.

Both use mirrors only.

Both use lenses only.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a reflecting telescope, what is the purpose of the secondary mirror?

To focus light directly to the eyepiece.

To reflect light to the primary mirror.

To magnify the image.

To block unwanted light.

What part of the refracting telescope is responsible for focusing the starlight?

Eyepiece

Primary mirror

Lens

Secondary mirror

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are modern telescopes all reflectors?

Light traveling through lens is refracted differently depending on wavelength

Reflectors are cheaper to build

Reflectors are more colorful

Reflectors are easier to transport

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Chapter 5 Telescope Test

36 questions

What are the two methods through which images can be formed in telescope design?

What is the role of a reflecting mirror in a telescope?

What is the main function of a refracting lens?

What is the main difference between reflecting and refracting telescopes?

In a reflecting telescope, what is the purpose of the secondary mirror?

What part of the refracting telescope is responsible for focusing the starlight?

Why are modern telescopes all reflectors?

Why can large lenses be problematic in telescopes?

What type of reflecting telescope uses a secondary mirror to direct light to the side of the telescope?

Which type of reflecting telescope has the simplest design, with light focused directly at the prime focus?

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