Unit 4: Telescopes Review

A ______ telescope uses a mirror to focus light onto a small area.

• Reflecting

• Radio

• Refracting

• Spectrum

A telescope that uses lenses and mirrors to collect and focus visible light is called an...

• Refracting Telescope

• Reflecting Telescope

• Optical Telescope

• Radio Telescope

What type of telescope is shown in this image?

• Newtonian Reflector

• Cassegrain Reflector

• Keplernian Refractor

• Galilean Refractor

Why must Ultra-Violet observing be done in space?

• The ozone blocks most of the UV rays in the surface.

• t’s hard to know exactly where the ozone hole will be to find UV images

• It’s hard to use UV telescopes and radio telescopes together on the surface.

• It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface

Electromagnetic radiation is simply known as

• light

• reflections

• refractions

• time

What is a disadvantage of using a space telescope?

• The images are clearer due to the absence of the Earth's atmosphere

• All wavelengths can be observed in space.

• Astronomer's can "see" through clouds of gas and dust

• It is challenging to repair a space telescope

Which of the following telescopes observe the highest energy EM waves?

• Hubble Space Telescope

• James Webb Telescope

• WMAP Microwave Probe

• Chandra X-ray Observatory

Select the correct order of waves on the Electromagnetic Spectrum

• Radio, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma ray

• Gamma ray, X-ray, Ultraviolet, Visible, Infrared, Microwave, Radio

• Visible, Microwave, Infrared, Ultraviolet, X-ray, Gamma ray, Radio

• Microwave, Radio, Visible, Infrared, Ultraviolet, X-ray, Gamma ray

What kind of telescope would be needed to see an object that emits light in the 10^-2 m range?

• Infrared

• Microwave

• Visible

• Ultraviolet

What kind of telescope would be needed to see an object that emits light in the 10^-9 m range?

• Ultraviolet

• Infrared

• visible

• X-ray