General Principles in the Working of Telescope, Microscope NDA Questions

NDA Physics

General Principles in the Working of Telescope, Microscope MCQ Questions


7.
Which telescope is best for observing distant galaxies?
A.
Radiotelescope
B.
Refracting telescope
C.
Infrared telescope
D.
Optical telescope
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ANSWER :
C. Infrared telescope
8.
What is the advantage of space telescopes?
A.
Avoid atmospheric distortion
B.
Easy to maintain
C.
Lower cost
D.
Portable
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ANSWER :
A. Avoid atmospheric distortion
9.
What is the largest optical telescope in the world?
A.
Hubble Space Telescope
B.
Gran Telescopio Canarias
C.
Keck Observatory
D.
Chandra Telescope
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ANSWER :
B. Gran Telescopio Canarias
10.
What is the unit of measurement for the resolving power of a telescope?
A.
Meters
B.
Arcseconds
C.
Decibels
D.
Watts
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ANSWER :
B. Arcseconds
11.
Which type of telescope uses mirrors to gather and focus light?
A.
Reflecting telescope
B.
Refracting telescope
C.
Radiotelescope
D.
Infrared telescope
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ANSWER :
A. Reflecting telescope
12.
Who first used a telescope to observe the night sky?
A.
Galileo Galilei
B.
Tycho Brahe
C.
Johannes Kepler
D.
Nicolaus Copernicus
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ANSWER :
A. Galileo Galilei