Light and Telescopes

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Reflecting telescopes use _______ to focus light.

• Lenses

• Flat mirrors

• Curved Mirrors

• A lens and lasers

Modern telescopes are reflecting because: (Choose all that apply)

• Lenses are difficult to manufacture

• Lenses are heavy and fragile

• lenses absorb light that passes through them

• Lenses require only 1 perfect surface

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NGSS.MS-PS4-1

What type of telescope is the Hubble Telescope?

• Refracting

• Cassegrain Reflecting

• Prime Focus Reflecting

• Newtonian Reflecting

Modern telescopes don't use film to capture images, instead they use:

• CCDs

• USBs

• HDDs

• CD-ROMs

Which of these can solve the issue of atmospheric blurring? (choose all that apply)

• Active Optics

• Adaptive Optics

• Putting a telescope in space

• Putting a telescope underground

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NGSS.HS-PS4-3

Which of these is a process that is unique to radio telescopes?

• Spectrometry

• Inferferometry

• Photometry

• Photography

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What types of telescopes have to be placed in space? (Choose all that apply)

• X-ray Telescopes

• Gamma ray Telescopes

• Infrared Telescopes

• Radio Telescopes

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NGSS.HS-ESS1-2

Which of these light types cannot be captured by a telescope?

• Radio waves

• Microwaves

• Ultraviolet

• All of them can be captured

Which of the following is a primary advantage of using reflecting telescopes over refracting telescopes?

• Reflecting telescopes are less expensive to build

• Reflecting telescopes do not suffer from chromatic aberration

• Reflecting telescopes are more portable

• Reflecting telescopes can be used during the day