Which of the following is correct regarding telescope?
A. In Terrestrial telescope, three convex lenses are used and final image is erect.
B. In Astronomical telescope, aperture and focal length of objective is larger than eyepiece.
C. In Galilean telescope, two lenses, one convex (objective) and one concave (eye piece) are used.
D. All options are correct
Answer:D
Which of the following is correct regarding telescope?
A. In Terrestrial telescope, three convex lenses are used and final image is erect. B. In Astronomical telescope, aperture and focal length of objective is larger than eyepiece. C. In Galilean telescope, two lenses, one convex (objective) and one concave (eye piece) are used. D. All options are correct