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
