MCQ on Telescope:
1. What is telescope?
A. A telescope is an instrument used to observe very close objects
B. Both the eyepiece and objective in a telescope are concave lenses
C. A telescope is an instrument used to observe very small objects in the distance
D. A telescope is an instrument used to observe large objects in the distance
Answer: D
2. The first to use a telescope for scientific research was an Italian physicist_______
A. Newton
B. Galileo
C. Franklin
D. Kepler
Answer: B
3. In which telescope length is comparatively less?
A. Internal focusing telescope
B. External focusing telescope
C. none
D. all
Answer: A
4. A telescope can make stars look
A. bigger
B. brighter
C. smaller
D. all of above
Answer: B
5. To see dim stars, we use
A. simple microscope
B. compound microscope
C. endoscope
D. telescope
Answer: D
6. Who was the first person to use telescope to view the sky?
A. Giordano Bruno
B. Johannas Kepler
C. Galileo Galelei
D. King Frederic II
Answer: C
7. What we see through the telescope is like______
A. the size of the object
B. reduced image
C. enlarged image
D. There are three cases
Answer: B
8. To observe the appearance of the moon's surface, use________
A. magnifier
B. microscope
C. telescope
D. It will be all right
Answer: C
9. ______ : ship :: telescope : star
A. deck
B. water
C. periscope
D. astronomy
Answer: C
10. A telescope that uses two converging lenses is called
A. reflecting telescope
B. refracting telescope
C. simple telescope
D. compound microscope
Answer: B
11. Modern astronomical telescopes strive to increase the aperture of the objective lens in order to observe fainter stars. The purpose of increasing the aperture is__________
A. gather more light
B. Imaging brighter
C. Increase the viewing angle D. None of the above statements are correct
Answer: B
12. The process of turning the telescope about the vertical axis inhorizontal plane is known as_______
A. transiting
B. reversing
C. plunging
D. swinging
Answer: D
13. Which of the following statements about telescopes is incorrect_________
A. All telescopes are made of two convex lenses
B. The objective lens of the telescope can be a concave mirror
C. We see distant cars getting smaller and smaller because their view to our eyes is diminishing
D. The objective lens (convex lens) of the telescope forms a reduced real image
Answer: A
14. Which of the following statements about telescopes is correct_______
A. The eyepiece of the telescope is a concave lens
B. The objective lens of the telescope becomes a magnified virtual image
C. The objective lens of the telescope is a reduced real image
D. The smaller the diameter of the objective lens of the telescope, the better
Answer: C
15. The angle of field of the telescope________
A. is independent of the size of the object galss
B. increases as the size of the eye piece increases
C. decreases as the distance between eye piece and object increases
D. all of the above
Answer: D
16. If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to
i) altitude bubble on index frame
ii) altitude bubble on index frame if it is to be used as a level
iii) altitude bubble on telescope
iv) altitude bubble on telescope if it is to be used as a level The correct answer is
A. only (i)
B. both (i) and (iv)
C. only (iii)
D. both (ii) and (iii)
Answer: B
17. The cross hairs in the surveying telescope are placed
A. midway between eye piece and objec¬tive lens
B. much closer to the eye-piece than to the objective lens
C. much closer to the objective lens than to the eye piece
D. anywhere between eye-piece and objective lens
Answer: B