Exploring Telescopes and Optics

What is the primary function of a telescope?

• To magnify distant objects

• To capture sound waves

• To measure temperature

• To detect magnetic fields

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DOK Level 1: Recall

Which of the following is a key component of a telescope's optics?

• Lens

• Battery

• Microphone

• Keyboard

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DOK Level 1: Recall

Who is credited with the invention of the first practical telescope?

• Isaac Newton

• Galileo Galilei

• Hans Lippershey

• Albert Einstein

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DOK Level 1: Recall

Explain how a refracting telescope differs from a reflecting telescope.

• Refracting telescopes use mirrors, while reflecting telescopes use lenses.

• Refracting telescopes use lenses, while reflecting telescopes use mirrors.

• Both use only mirrors.

• Both use only lenses.

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DOK Level 2: Skill/Concept

What is the purpose of the eyepiece in a telescope?

• To collect light

• To magnify the image

• To stabilize the telescope

• To power the telescope

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DOK Level 1: Recall

Describe the role of optics in the functioning of a telescope.

• Optics are used to power the telescope.

• Optics are used to focus and direct light to form an image.

• Optics are used to store data.

• Optics are used to communicate with satellites.

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DOK Level 2: Skill/Concept

Which type of telescope did Galileo Galilei improve upon for astronomical observations?

• Radio telescope

• Refracting telescope

• Reflecting telescope

• X-ray telescope

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DOK Level 1: Recall

Identify the main advantage of a reflecting telescope over a refracting telescope.

• Reflecting telescopes are cheaper to build.

• Reflecting telescopes do not suffer from chromatic aberration.

• Reflecting telescopes are smaller in size.

• Reflecting telescopes are easier to transport.

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DOK Level 2: Skill/Concept

What is chromatic aberration in the context of telescopes?

• A type of sound distortion

• A color distortion caused by lenses

• A mechanical failure

• A type of image stabilization

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DOK Level 1: Recall

How did the development of the telescope impact the field of astronomy?

• It made astronomy less popular.

• It allowed for more detailed observations of celestial bodies.

• It replaced the need for mathematical calculations.

• It limited the study of stars to daytime.

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DOK Level 2: Skill/Concept