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Telescopes (Grade 9)

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Telescopes

1. 
Most large optical telescopes are reflectors.
  1. True
  2. False
 
2. 
Refracting telescopes suffer from an optical defect called chromatic aberration.
  1. True
  2. False
3. 
The first person to use a telescope for astronomy was
  1. Newton
  2. Galileo
  3. Copernicus
  4. Kepler
 
4. 
The first type of telescope invented
  1. refractor telescope
  2. reflector telescope
  3. composite telescope
  4. radio telescope
5. 
The telescope that detects wavelengths other than visible light
  1. refractor telescope
  2. reflector telescope
  3. composite telescope
  4. radio telescope
 
6. 
This type of telescope never has problems seeing through Earth's atmosphere. It uses lenses to enlarge an object.
  1. Earth-based telescope
  2. reflecting telescope
  3. refracting telescope
  4. space-based telescope
7. 
Telescope in space used to observe universe using X-Rays
  1. Erwin Telescope
  2. Darwin Telescope
  3. Moon Telescope
  4. Chandra Telescope
 
8. 
The amount of light that enters a telescope is proportional to the lens' or mirror's
  1. Volume
  2. Thickness
  3. Area
  4. Diameter
9. 
What is the function of the objective lens of a refracting telescope?



 
10. 
List two advantages of radio telescopes over optical telescopes.



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