Light Telescopes

Both reflecting and refracting telescopes are designed to

• break visible light into colors of the spectrum.

• separate visible light from ultraviolet and radio waves.

• gather and focus visible light.

• work better with short-wavelength radiation.

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

• reflecting

• refracting

• radio

• spectrum

A ______ telescope uses a glass to focus light. 

• reflecting

• refracting

• radio

• spectrum

What type of telescope is this?

• Refractor

• Reflector

• Non-Optical

• X- Ray

A reflecting telescope uses a ___ to focus the incoming light.

• curved lens

• curved mirror

• flat lens

• flat mirror

What type of telescope is this?

• Refractor

• Reflector

• Non-Optical

• X- Ray

What are disadvantages of refracting telescopes (choose all)

• images are wrong color

• images are more blurry

• gravity can distort the lens

• images may be too big

What is the advantage of a telescope or observatory on top of a mountain?

• closer to the object you are looking at

• No one visits it. Less people....better view

• Less gravity to affect the lens

• Less chance light pollution from cities will interfere with an image

Which of the following is a tool that makes distant objects appear close?

• Brush

• Star

• Planet

• Telescope

Refracting telescopes _______ light.

• Move

• See

• Curved Mirrors

• Bend