Contents

Which of the following is/are used in telescope?
a) curved mirrors                

b) glasses
c) plane mirrors                   

d) both a and b


 The bigger the mirrors or lenses, the.…...light the telescope can gather?
a) less                                    

b) same
c) more                                  

d) independent


Which of the following is called optical telescope?
a) visible light telescope

b) UV light telescope
c) reflective telescope     

d) none of these


Which of the following is/are used in modern broad spectrum telescope?
a) radio waves     

b) UV, IR and X-Rays
c) Gamma Rays 
d)all of these


Space Telescope:

A space telescope or space observatory is a telescope in outer space used to observe astronomical objects. Suggested by Lyman Spitzer in 1946, the first operational telescopes were the American Orbiting Astronomical Observatory, OAO-2 launched in 1968, and the Soviet Orion 1 ultraviolet telescope aboard space station Salyut 1 in 1971.


Where the space telescope located to observe distant planets, galaxies and other astronomical objects?
a) on earth                                           

b) on moon
c) in space                                             

d) all of these