Optical Telescope -Multiple Choice Questions Quiz

Question 1: What is the primary function of an optical telescope?

(a) To capture and record images of the visible world
(b) To analyze the composition of materials based on their spectral characteristics
(c) To magnify distant objects in space
(d) To split white light into its component colors using a prism

Question 2: What is the purpose of the objective lens (or primary mirror) in an optical telescope?

(a) To split white light into its component colors to create a spectrum
(b) To correct vision problems caused by refractive errors in the eye
(c) To magnify small objects for easy viewing
(d) To gather and focus light from distant celestial objects

Question 3: Which type of optical telescope uses a curved primary mirror to gather and focus light?

(a) Refracting telescope
(b) Reflecting telescope
(c) Compound telescope
(d) Catadioptric telescope

Question 4: What is the resolving power of a telescope?

(a) Its ability to magnify distant objects
(b) Its ability to collect and focus light
(c) Its ability to separate closely spaced objects in an image
(d) Its ability to analyze the spectrum of light from celestial objects

Question 5: Which optical telescope design is a combination of both refracting and reflecting elements?

(a) Refracting telescope
(b) Reflecting telescope
(c) Compound telescope
(d) Catadioptric telescope

Question 6: What is the advantage of using multiple mirrors in the design of a segmented mirror telescope?

(a) Enhanced resolving power
(b) Higher magnification capabilities
(c) Reduced weight and easier transportation
(d) Ability to view a wider field of view

Question 7: Which type of optical telescope suffers from chromatic aberration?

(a) Refracting telescope
(b) Reflecting telescope
(c) Compound telescope
(d) Catadioptric telescope

Question 8: What is the name of the optical telescope that has two identical telescopes aligned side by side and used for stereoscopic viewing?

(a) Refracting telescope
(b) Reflecting telescope
(c) Compound telescope
(d) Binocular telescope

Question 9: What is the advantage of using adaptive optics in optical telescopes?

(a) Increased light-gathering ability
(b) Improved image resolution
(c) Reduced sensitivity to atmospheric distortion
(d) Enhanced magnification capabilities

Question 10: What is the function of a finder scope in an optical telescope?

(a) To view distant objects in space
(b) To analyze the composition of materials based on their spectral characteristics
(c) To locate and center celestial objects before observing with the main telescope
(d) To measure distances accurately

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Results:

Total score: /10

Answer key:

Question 1: c

Question 2: d

Question 3: b

Question 4: c

Question 5: d

Question 6: c

Question 7: a

Question 8: d

Question 9: c

Question 10: c